new TOP 200 Companies filing patents this week

new Companies with the Most Patent Filings

Takahiro Arakida patents

Recent patents with Takahiro Arakida listed as an inventor - additional entries may be under other spellings.


Takahiro Arakida - Related organizations: Sony Corporation patents

Light-emitting element and method for manufacturing the same

01/12/17 - 20170012409 - A light-emitting element includes a mesa structure in which a first compound semiconductor layer of a first conductivity type, an active layer, and a second compound semiconductor layer of a second conductivity type are disposed in that order, wherein at least one of the first compound semiconductor layer and the
Inventors: Tomoyuki Oki, Yuji Masui, Yoshinori Yamauchi, Rintaro Koda, Takahiro Arakida

Laser diode array, method of manufacturing the same, printer, and optical communication device

10/20/16 - 20160308333 - A method of manufacturing a laser diode array capable of inhibiting electric cross talk is provided. The method of manufacturing a laser diode array includes a processing step of forming a peel layer containing an oxidizable material and a vertical resonator structure over a first substrate sequentially from the first
Inventors: Osamu Maeda, Masaki Shiozaki, Takahiro Arakida

Light-emitting element and method for manufacturing the same

12/03/15 - 20150349494 - A light-emitting element includes a mesa structure in which a first compound semiconductor layer of a first conductivity type, an active layer, and a second compound semiconductor layer of a second conductivity type are disposed in that order, wherein at least one of the first compound semiconductor layer and the
Inventors: Tomoyuki Oki, Yuji Masui, Yoshinori Yamauchi, Rintaro Koda, Takahiro Arakida

Light-emitting element and method for manufacturing the same

11/12/15 - 20150325981 - A light-emitting element includes a mesa structure in which a first compound semiconductor layer of a first conductivity type, an active layer, and a second compound semiconductor layer of a second conductivity type are disposed in that order, wherein at least one of the first compound semiconductor layer and the
Inventors: Tomoyuki Oki, Yuji Masui, Yoshinori Yamauchi, Rintaro Koda, Takahiro Arakida

Light-emitting element and method for manufacturing the same

02/05/15 - 20150036710 - A light-emitting element includes a mesa structure in which a first compound semiconductor layer of a first conductivity type, an active layer, and a second compound semiconductor layer of a second conductivity type are disposed in that order, wherein at least one of the first compound semiconductor layer and the
Inventors: Tomoyuki Oki, Yuji Masui, Yoshinori Yamauchi, Rintaro Koda, Takahiro Arakida

Light-emitting element and method for manufacturing the same

01/08/15 - 20150010032 - A light-emitting element includes a mesa structure in which a first compound semiconductor layer of a first conductivity type, an active layer, and a second compound semiconductor layer of a second conductivity type are disposed in that order, wherein at least one of the first compound semiconductor layer and the
Inventors: Tomoyuki Oki, Yuji Masui, Yoshinori Yamauchi, Rintaro Koda, Takahiro Arakida

Light emitting element, method for manufacturing light emitting element, light emitting element assembly, and method for manufacturing light emitting element assembly

07/12/12 - 20120175670 - A method for manufacturing a light emitting element including the steps of (A) sequentially forming on a substrate a first compound semiconductor layer having a first conduction type, an active layer, and a second compound semiconductor layer having a second conduction type; (B) forming a plurality of point-like hole portions
Inventors: Yuji Masui, Takahiro Arakida, Rintaro Koda, Tomoyuki Oki

Vertical cavity surface emitting laser and method of manufacturing the same

02/09/12 - 20120034720 - A Vertical Cavity Surface Emitting Laser capable of decreasing the lowering of the yield due to displacement and separation of a pedestal without enormous increase of the threshold value and more difficult manufacturing process is provided. A base of a mesa spreads over the top face of a lower DBR
Inventors: Tomoyuki Oki, Rintaro Koda, Naoki Jogan, Yuji Masui, Takahiro Arakida

Vertical cavity surface emitting laser and method of manufacturing thereof

01/12/12 - 20120009704 - A vertical cavity surface emitting laser capable of reducing parasitic capacitance while suppressing power consumption, and a method of manufacturing thereof are provided. The vertical cavity surface emitting laser includes a columnar mesa including, on a substrate, a first multilayer reflector, an active layer, and a second multilayer reflector in
Inventors: Yuji Masui, Takahiro Arakida, Terukazu Naruse, Rintaro Koda, Naoki Jogan

Semiconductor device and method of manufacturing it

12/01/11 - 20110294236 - A method of manufacturing a semiconductor device capable of largely increasing the yield and a semiconductor device manufactured by using the method is provided. After a semiconductor layer is formed on a substrate, as one group, a plurality of functional portions with at least one parameter value different from each
Inventors: Yuji Masui, Takahiro Arakida, Yoshinori Yamauchi, Kayoko Kikuchi, Rintaro Koda, Norihiko Yamaguchi

Laser diode

10/13/11 - 20110249696 - There is provided a laser diode capable of setting a mesa diameter small without use of a method which loses reliability of a device, and is not easily controlled. The laser diode includes: a columnar mesa including a first multilayer film reflecting mirror, an active layer, and a second multilayer
Inventors: Yuji Masui, Takahiro Arakida, Kayoko Kikuchi, Terukazu Naruse, Koichi Kondo, Naoki Jogan

Semiconductor light-emitting device

10/06/11 - 20110243174 - There is provided a semiconductor light-emitting device including a temperature detecting section which is allowed to accurately estimate an element temperature. The semiconductor light-emitting device includes: one or a plurality of surface-emitting semiconductor light-emitting sections and one or a plurality of semiconductor temperature detecting sections on a semiconductor substrate, the
Inventors: Osamu Maeda, Masaki Shiozaki, Susumu Sato, Takahiro Arakida, Shiro Uchida

Correction circuit, drive circuit, light-emitting device and correction method of current pulse waveform

10/06/11 - 20110241571 - A drive circuit and a drive current correcting method are described herein. The drive circuit comprises a current source that outputs a drive current, and a correction circuit that outputs a correction current. The correction circuit includes a first RC time constant circuit. An output terminal of the current source
Inventors: Osamu Maeda, Takeshi Yuwaki, Katsuhisa Daio, Koichi Kobe, Hirofumi Nakano, Takahiro Arakida

Vertical cavity surface emitting laser

08/11/11 - 20110194579 - A Vertical Cavity Surface Emitting Laser (VCSEL) capable of providing high output of fundamental transverse mode while preventing oscillation of high-order transverse mode is provided. The VCSEL includes a semiconductor layer including an active layer and a current confinement layer, and a transverse mode adjustment section formed on the semiconductor
Inventors: Osamu Maeda, Masaki Shiozaki, Takahiro Arakida

Surface-emitting semiconductor laser and manufacturing method thereof

07/28/11 - 20110182315 - A manufacturing method of a surface-emitting semiconductor laser includes the steps of: forming a stacked structure having a lower-multilayer film reflector including a lower oxidizable layer having at least one layer, an active layer having a light emitting region, an upper-multilayer film reflector including an upper oxidizable layer and an
Inventors: Masaki Shiozaki, Osamu Maeda, Takahiro Arakida, Susumu Sato

Semiconductor light emitting device

07/21/11 - 20110176570 - A semiconductor light emitting device includes a first-conductivity-type first multilayer film reflecting mirror, and a second-conductivity-type second multilayer film reflecting mirror; a cavity layer; and a first conductive section, a second conductive section, and a third conductive section. The cavity layer has a stacked configuration including a first-conductivity-type or undoped
Inventors: Yuji Masui, Takahiro Arakida, Yoshinori Yamauchi, Rintaro Koda, Tomoyuki Oki, Naoki Jogan

Laser diode array, method of manufacturing same, printer, and optical communication device

07/07/11 - 20110164646 - A method of manufacturing a laser diode array capable of inhibiting electric cross talk is provided. The method of manufacturing a laser diode array includes a processing step of forming a peel layer containing an oxidizable material and a vertical resonator structure over a first substrate sequentially from the first
Inventors: Osamu Maeda, Masaki Shiozaki, Takahiro Arakida

Semiconductor device and method of manufacturing the same

05/26/11 - 20110122910 - The present invention provides a semiconductor device realizing reduced occurrence of a defect such as a crack at the time of adhering elements to each other. The semiconductor device includes a first element and a second element adhered to each other. At least one of the first and second elements
Inventors: Rintaro Koda, Takahiro Arakida, Yuji Masui, Tomoyuki Oki

Semiconductor light emitting device

04/28/11 - 20110096806 - The present invention provides a semiconductor light emitting device realizing increased light detection precision by a simple manufacture process. One or more second oxidation layers are provided between an active layer and a semiconductor light detecting element in addition to a first oxidation layer for narrowing current. Since natural emission
Inventors: Takahiro Arakida, Shiro Uchida, Masaki Shiozaki, Osamu Maeda

Correction circuit, drive circuit, light emitting device, and method of correcting current pulse waveform

03/31/11 - 20110075691 - A correction circuit is provided, which may reduce dullness of a light output waveform due to wavelength detuning. The correction circuit includes an RC time constant circuit. The RC time constant circuit is used to correct a waveform of a current pulse outputted from a current source, the current source
Inventors: Osamu Maeda, Katsuhisa Daio, Koichi Kobe, Takehiro Taniguchi, Takahiro Arakida

Laser diode

03/17/11 - 20110064109 - A laser diode with which separation of a current narrowing layer is able to be prevented is provided. The laser diode includes a mesa that has a first multilayer film reflector, an active layer, and a second multilayer film reflector in this order, and has a current narrowing layer for
Inventors: Yuji Masui, Rintaro Koda, Tomoyuki Oki, Takahiro Arakida, Naoki Jogan, Yoshinori Yamauchi

Optical device and method of manufacturing the same

02/24/11 - 20110042558 - An optical device and a method of making an optical device is described herein. The optical device comprises a housing, an optical element, a base structure that supports the optical element and that interfaces with the housing to form a gap section between an outer wall section of the base
Inventors: Terukazu Naruse, Takahiro Arakida, Hidehiko Nakata, Yuji Masui, Naoki Jogan

Semiconductor device and method of manufacturing the same

01/27/11 - 20110019709 - The present invention provides a method of manufacturing a semiconductor device realizing improved yield. The semiconductor device includes: a substrate having a top face, an under face, and side faces; an optical function unit formed on the top face; a plurality of electrode pads formed on the under face; and
Inventors: Yuji Masui, Takahiro Arakida, Naoki Jogan, Rintaro Koda, Kouichi Kondo

Laser diode

01/13/11 - 20110007769 - A laser diode includes: a first multilayer film reflecting mirror, an active layer, and a second multilayer film reflecting mirror in this order; and a first oxide narrowing layer and a second oxide narrowing layer. The first oxide narrowing layer is formed close to the active layer, in comparison with
Inventors: Yuji Masui, Osamu Maeda, Rintaro Koda, Takahiro Arakida, Naoki Jogan, Kouichi Kondo

Light-emitting element assembly and method for manufacturing the same

11/11/10 - 20100285625 - A method for making a light-emitting element assembly including a support substrate having a first surface, a second surface facing the first surface, a recessed portion, and a conductive material layer formed over the first surface and the inner surface of the recessed portion, and a light-emitting element. The light-emitting
Inventors: Rintaro Koda, Takahiro Arakida, Satoshi Taniguchi, Yuji Masui, Nobuhiro Suzuki, Tomoyuki Oki, Chiyomi Uchiyama, Kayoko Kikuchi

Semiconductor laser

09/23/10 - 20100238965 - A semiconductor laser includes a columnar lamination structure including a first multi-layer reflection mirror, a first spacer layer, an AlxGayIn1-x-yP (where 0≦x<1 and 0<y<1) based active layer, a second spacer layer, a second multi-layer reflection mirror, and a lateral mode adjusting layer on a substrate in this order from the
Inventors: Inventors: Naoki Jogan, Takahiro ArakidaNaoki Jogan, Takahiro Arakida, Osamu Maeda, Takehiro Taniguchi, Takahiro Arakida

Laser diode and method of manufacturing the same

09/09/10 - 20100226402 - A laser diode allowed to stabilize the polarization direction of laser light in one direction is provided. The laser diode includes a laminate configuration including a lower multilayer reflecting mirror, an active layer and an upper multilayer reflecting mirror in order from a substrate side, in which the laminate configuration
Inventors: Osamu Maeda, Yuji Masui, Masaki Shiozaki, Susumu Sato, Takahiro Arakida

Vertical cavity surface emitting laser and method of manufacturing thereof

08/12/10 - 20100202486 - A vertical cavity surface emitting laser capable of reducing parasitic capacitance while suppressing power consumption, and a method of manufacturing thereof are provided. The vertical cavity surface emitting laser includes a columnar mesa including, on a substrate, a first multilayer reflector, an active layer, and a second multilayer reflector in
Inventors: Yuji Masui, Takahiro Arakida, Terukazu Naruse, Rintaro Koda, Naoki Jogan

Semiconductor device

08/12/10 - 20100202482 - The present invention provides a semiconductor device realizing improved adhesion between a low-dielectric-constant material and a semiconductor material. The semiconductor device includes, on a semiconductor layer, an adhesion layer and a low-dielectric-constant material layer in order from the semiconductor layer side. The adhesion layer has a projection/recess structure, and the
Inventors: Yuji Masui, Takahiro Arakida, Kayoko Kikuchi, Terukazu Naruse, Tomoyuki Oki, Naoki Jogan

Semiconductor light-emitting device

08/12/10 - 20100200868 - A semiconductor light-emitting device includes a semiconductor light-emitting element including a first multilayer reflector, an active layer having a light-emitting region, and a second multilayer reflector in the stated order; a semiconductor light-detecting element disposed opposite the first multilayer reflector in relation to the semiconductor light-emitting element and including a
Inventors: Yuji Masui, Rintaro Koda, Osamu Maeda, Takahiro Arakida, Terukazu Naruse, Naoki Jogan

Vertical cavity surface emitting laser

02/25/10 - 20100046565 - A vertical cavity surface emitting laser includes a layer-stack structure including, on a substrate, a transverse-mode adjustment layer, a first multilayer reflecting mirror, an active layer having a light emission region, and a second multilayer reflecting mirror in order from the substrate side, and including a current confinement layer in
Inventors: Yuji Masui, Takahiro Arakida, Rintaro Koda, Osamu Maeda, Tomoyuki Oki, Naoki Jogan

Vertical cavity surface emitting laser

02/18/10 - 20100040104 - The present invention provides a Vertical Cavity Surface Emitting Laser including: a first multilayer film reflector; an active layer having a light emission region; a second multilayer film reflector; and a reflectance adjustment layer in this order on a substrate side. The first multilayer film reflector and the second multilayer
Inventors: Osamu Maeda, Yuji Masui, Masaki Shiozaki, Takahiro Arakida, Takayuki Kawasumi

Optical device

01/28/10 - 20100021107 - An optical device includes: a multilayer structure substrate on which plural insulating layers are stacked and a wiring pattern is formed between layers; a recessed part for exposing the wiring pattern between the layers by cutting off a part of the multilayer structure substrate; an optical element mounted within the
Inventors: Terukazu Naruse, Takahiro Arakida

Semiconductor light emitting device

11/19/09 - 20090285253 - A semiconductor light emitting device includes a first-conductivity-type first multilayer film reflecting mirror, and a second-conductivity-type second multilayer film reflecting mirror; a cavity layer; and a first conductive section, a second conductive section, and a third conductive section. The cavity layer has a stacked configuration including a first-conductivity-type or undoped
Inventors: Yuji Masui, Takahiro Arakida, Yoshinori Yamauchi, Rintaro Koda, Tomoyuki Oki, Naoki Jogan

Optical module and optical waveguide

08/27/09 - 20090214157 - An optical module includes an optical waveguide including a plurality of waveguide cores through which light propagates, a clad configured to trap the light in the waveguide cores, a plurality of fiber guide grooves in which optical fibers are inserted, the fiber guide grooves being arranged in parallel, and an
Inventors: Inventors: Tomoyuki Oki, Rintaro Koda, Naoki Jogan, Yuji Masui, Takahiro ArakidaTomoyuki Oki, Rintaro Koda, Naoki Jogan, Yuji Masui, Takahiro Arakida, Miwa Okubo, Takahiro Arakida, Hidehiko Nakata, Terukazu Naruse

Optical module and optical waveguide

08/27/09 - 20090214156 - An optical module includes an optical waveguide including a waveguide core through which light propagates and a clad configured to trap the light in the waveguide core, and a circuit board on which a surface-type optical element is mounted. The optical waveguide further includes a reflective surface from which an
Inventors: Miwa Okubo, Takahiro Arakida, Hidehiko Nakata, Terukazu Naruse

Semiconductor light receiving element and method of manufacturing semiconductor light receiving element, and optical communication system

08/06/09 - 20090194837 - The present invention provides a semiconductor light receiving element capable of reducing capacity while minimizing increase in travel time of carriers. The semiconductor light receiving element includes a semiconductor stacked structure including a first conductivity type layer, a light absorbing layer, and a second conductivity type layer having a light
Inventors: Yoshinori Yamauchi, Takahiro Arakida, Rintaro Koda, Norihiko Yamaguchi, Yuji Masui, Tomoyuki Oki

Vertical cavity surface emitting laser

07/16/09 - 20090180506 - A Vertical Cavity Surface Emitting Laser (VCSEL) capable of providing high output of fundamental transverse mode while preventing oscillation of high-order transverse mode is provided. The VCSEL includes a semiconductor layer including an active layer and a current confinement layer, and a transverse mode adjustment section formed on the semiconductor
Inventors: Osamu Maeda, Masaki Shiozaki, Takahiro Arakida

Light-emitting element assembly and method for manufacturing the same

07/02/09 - 20090168825 - A light-emitting element assembly includes a support substrate having a first surface, a second surface facing the first surface, a recessed portion, and a conductive material layer formed over the first surface and the inner surface of the recessed portion, and a light-emitting element. The light-emitting element has a laminated
Inventors: Rintaro Koda, Takahiro Arakida, Satoshi Taniguchi, Yuji Masui, Nobuhiro Suzuki, Tomoyuki Oki, Chiyomi Uchiyama, Kayoko Kikuchi

Method for manufacturing semiconductor light-emitting device

04/16/09 - 20090098675 - A method of manufacturing a semiconductor light-emitting device includes steps of forming a vertical cavity structure including a layer to be oxidized on a semiconductor substrate, and then forming a circular groove having a depth which penetrates at least the layer to be oxidized from an upper surface of the

Laser diode array, method of manufacturing same, printer, and optical communication device

02/26/09 - 20090052490 - A method of manufacturing a laser diode array capable of inhibiting electric cross talk is provided. The method of manufacturing a laser diode array includes a processing step of forming a peel layer containing an oxidizable material and a vertical resonator structure over a first substrate sequentially from the first

Semiconductor device and method of manufacturing it

02/05/09 - 20090032908 - A method of manufacturing a semiconductor device capable of largely increasing the yield and a semiconductor device manufactured by using the method is provided. After a semiconductor layer is formed on a substrate, as one group, a plurality of functional portions with at least one parameter value different from each


### Takahiro Arakida patent invention listings

The bibliographic references displayed about Takahiro Arakida's patents are for a recent sample of Takahiro Arakida's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If Takahiro Arakida filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.

###



Sign up for the FreshPatents.com FREE Keyword Monitor and check for keyword phrases (ie. "RFID" , "wireless", "web development", "fuel cells" etc.)...You will be notified when new patent applications and inventions are published that match your keywords. Also you can save for later research public patent/invention documents using our FREE Organizer. It takes only 30 seconds to sign up or login.

Advertise on FreshPatents.com - Rates & Info

###

FreshPatents.com Support - Terms & Conditions