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Akiko Takei patents

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


Akiko Takei - Related organizations: Canon Kabushiki Kaisha patents

Sliding member

09/15/16 - 20160265589 - Provided is a sliding member that exhibits a sufficient friction-reducing effect even at room temperature while having suppressing effects on liquid dripping, liquid leakage, and contamination by scattering like grease, and in particular, can satisfactorily reduce a frictional force even at a static friction stage. The sliding member includes, in
Inventors: Tetsuo Hino, Naoyuki Koketsu, Kenji Takashima, Akiko Takei

Sliding member, sliding device including sliding member, and electrophotographic image forming apparatus including sliding device

09/01/16 - 20160252876 - To provide, between separated first sliding surfaces (DLC), a material of which frictional coefficient is higher than that of DLC at a temperature of 25° C. and a humidity of 45% as a second sliding surface.
Inventors: Naoyuki Koketsu, Tetsuo Hino, Kenji Takashima, Akiko Takei

Optical member and image pickup apparatus

06/23/16 - 20160178806 - A plurality of projections are formed on a surface of a low-refractive-index layer disposed on a base and having a refractive index lower than that of the base so that a distance between peaks of the projections is 50 nm or more and 600 nm or less. An occupied area
Inventors: Akiko Takei, Akira Sugiyama, Norishige Kakegawa, Kenji Takashima, Zuyi Zhang, Yoshinori Kotani, Naoyuki Koketsu

Optical member and image pickup apparatus

05/05/16 - 20160124121 - An optical member includes a base and a low-refractive-index layer disposed on the base and containing particles having a refractive index lower than that of the base. A plurality of projections are formed on a surface of the low-refractive-index layer. The width of the projections is 5 nm or more
Inventors: Akira Sugiyama, Akiko Takei, Norishige Kakegawa, Kenji Takashima, Zuyi Zhang, Yoshinori Kotani, Naoyuki Koketsu

Optical member, image pickup apparatus, and method for manufacturing optical member

05/28/15 - 20150146074 - The optical member is provided with a base member and a glass layer holding a transparent material in the inside of a porous structure disposed on the base member, wherein in the thickness direction of the glass layer, the porosity in the base member side with respect to the center
Inventors: Akiko Takei, Zuyi Zhang, Yoshinori Kotani, Akira Sugiyama, Kenji Takashima, Naoyuki Koketsu

Optical member, image pickup apparatus, and method for manufacturing optical member

05/21/15 - 20150138422 - An optical member has a base material 1 and a porous glass layer 2 which is formed on the base material 1 and has a three-dimensional through pore, in which the existence ratio of crystals of 0.2 micrometer or more in the porous glass layer 2 is 1.0% or lower.
Inventors: Akira Sugiyama, Zuyi Zhang, Yoshinori Kotani, Akiko Takei, Norishige Kakegawa, Kenji Takashima, Naoyuki Koketsu, Tomoaki Masubuchi

Optical member, image pickup apparatus, and method for manufacturing optical member

04/16/15 - 20150103406 - An optical member has a base member (1) and a porous glass layer (2) formed on the base member (1), in which a textured structure is formed on the interface contacting the porous glass layer (2) of the base member (1) and the height of the textured structure is 100
Inventors: Kenji Takashima, Zuyi Zhang, Yoshinori Kotani, Akiko Takei, Akira Sugiyama, Naoyuki Koketsu

Optical member, image pickup apparatus, and method for manufacturing optical member

11/13/14 - 20140335346 - The optical member has a porous glass layer on a substrate. The porous glass layer includes a first porous glass layer and a second porous glass layer in this order on the substrate. The first porous glass layer has a uniform porosity. The second porous glass layer has a higher
Inventors: Akira Sugiyama, Zuyi Zhang, Yoshinori Kotani, Akiko Takei, Kenji Takashima, Naoyuki Koketsu

Optical member, image pickup apparatus, and method for manufacturing optical member

10/30/14 - 20140320728 - The optical member includes the porous glass layer which is disposed on the base member and which has a thickness of 400 nm or more, wherein the porous glass layer includes at least a gradient region having a porosity increasing from the interface between the base member and the porous
Inventors: Akira Sugiyama, Zuyi Zhang, Yoshinori Kotani, Akiko Takei, Kenji Takashima, Naoyuki Koketsu

Method for manufacturing optical member and method for manufacturing image pickup apparatus

10/16/14 - 20140305166 - A method for manufacturing an optical member provided with a porous glass film on the base member includes the steps of forming a glass powder film containing a glass powder on the base member, forming a phase-separable base material glass film on the base member by heating and fusing the
Inventors: Naoyuki Koketsu, Zuyi Zhang, Yoshinori Kotani, Akiko Takei, Akira Sugiyama, Kenji Takashima

Method for manufacturing optical member

10/09/14 - 20140299573 - A method for manufacturing an optical member provided with a porous glass layer on a base member includes the steps of forming an intermediate layer containing at least one of silicon, potassium, and aluminum on the base member, forming a phase-separable glass layer on the intermediate layer, forming a phase-separated
Inventors: Kenji Takashima, Zuyi Zhang, Yoshinori Kotani, Akiko Takei, Akira Sugiyama, Naoyuki Koketsu

Optical member, image pickup apparatus, and method for manufacturing optical member

10/02/14 - 20140293114 - The optical member includes the base member and the porous glass film disposed on the base member, wherein the porosity increases in the direction from the base member toward the porous glass film in an interfacial region between the base member and the porous glass film and the porosity is
Inventors: Naoyuki Koketsu, Zuyi Zhang, Yoshinori Kotani, Akiko Takei, Akira Sugiyama, Kenji Takashima


### Akiko Takei patent invention listings

The bibliographic references displayed about Akiko Takei's patents are for a recent sample of Akiko Takei'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 Akiko Takei 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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