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Tatsushi Hamaguchi patents

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


Tatsushi Hamaguchi - Related organizations: Sony Corporation patents, Sumitomo Electric Industries, Ltd. patents

Light emitting element

02/02/17 - 20170033533 - A light emitting element includes at least a first light reflecting layer 41 formed on a surface of a substrate 11, a laminated structural body 20 made of a first compound semiconductor layer 21, an active layer 23 and a second compound semiconductor layer 22 formed on the first light
Inventors: Tatsushi Hamaguchi, Noriyuki Futagawa, Shoichiro Izumi, Masaru Kuramoto

Light emitting element and method of manufacturing the same

10/20/16 - 20160308332 - A method of manufacturing a light emitting element includes, sequentially (a) forming a first light reflecting layer having a convex shape; (b) forming a layered structure body by layering a first compound semiconductor layer, an active layer, and a second compound semiconductor layer; (c) forming, on the second surface of
Inventors: Tatsushi Hamaguchi, Masaru Kuramoto, Yuki Maeda, Noriyuki Futagawa

Method of manufacturing light emitting element

12/10/15 - 20150357795 - A method of manufacturing a light emitting element includes, sequentially, (a) forming a mask layer for selective growth; (b) forming a layered structure body by layering a first compound semiconductor layer, an active layer, and a second compound semiconductor layer; (c) forming, on the second surface of the second compound
Inventors: Noriyuki Futagawa, Tatsushi Hamaguchi, Masaru Kuramoto

Group iii nitride semiconductor device, p-type contact structure, and method for fabricating group iii nitride semiconductor device

09/10/15 - 20150255958 - A Group III nitride semiconductor device comprises: a Group III nitride semiconductor layer having a primary surface, inclined with respect to a c-plane of the Group III nitride semiconductor at an angle in a range of 50 degrees or more and 80 degrees or less, of a Group III nitride
Inventors: Yohei Enya, Takashi Kyono, Masaki Ueno, Takao Nakamura, Takashi Matsuura, Tatsushi Hamaguchi, Yuji Furushima

Group iii nitride semiconductor device, and method for fabricating group iii nitride semiconductor device

04/30/15 - 20150115312 - In a group III nitride semiconductor device according to one aspect of the present invention, in a p-type group III nitride semiconductor region formed on a semi-polar plane substrate, the concentration of hydrogen (H) contained in the p-type group III nitride semiconductor region is 25% or less of the concentration
Inventors: Nobuhiro Saga, Shinji Tokuyama, Kazuhide Sumiyoshi, Takashi Kyono, Koji Katayama, Tatsushi Hamaguchi, Katsunori Yanashima

Method of manufacturing light emitting element

02/12/15 - 20150044795 - A method of manufacturing a light emitting element includes, sequentially, (a) forming a mask layer for selective growth; (b) forming a layered structure body by layering a first compound semiconductor layer, an active layer, and a second compound semiconductor layer; (c) forming, on the second surface of the second compound
Inventors: Noriyuki Futagawa, Tatsushi Hamaguchi, Masaru Kuramoto

Light emitting element and method of producing same

02/12/15 - 20150043606 - Light emitting elements, and methods of producing the same, the light emitting elements including: a laminated structure, the laminated structure including a first compound semiconductor layer that includes a first surface and a second surface facing the first surface, an active layer that is in contact with the second surface
Inventors: Tatsushi Hamaguchi, Masaru Kuramoto, Noriyuki Futagawa

Light emitting element and method of manufacturing the same

02/12/15 - 20150043601 - A method of manufacturing a light emitting element includes, sequentially (a) forming a first light reflecting layer having a convex shape; (b) forming a layered structure body by layering a first compound semiconductor layer, an active layer, and a second compound semiconductor layer; (c) forming, on the second surface of
Inventors: Tatsushi Hamaguchi, Masaru Kuramoto, Yuki Maeda, Noriyuki Futagawa


### Tatsushi Hamaguchi patent invention listings

The bibliographic references displayed about Tatsushi Hamaguchi's patents are for a recent sample of Tatsushi Hamaguchi'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 Tatsushi Hamaguchi 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.

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