Takumi Fujiwara

Person

Sendai-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
White light-emitting glass, glass-covered light-emitting element, a...
- Patent number 8,926,865
- Issue date Jan 6, 2015
- Kyoto University
- Hirokazu Masai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Optical component and method for its production
- Patent number 8,201,421
- Issue date Jun 19, 2012
- Asahi Glass Company, Limited
- Takayuki Komatsu
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical nonlinearity material and production method therefor
- Patent number 6,581,414
- Issue date Jun 24, 2003
- Toyota Jidosha Kabushiki Kaisha
- Takumi Fujiwara
- G02 - OPTICS
Information Patent Grant
Method for producing a second-order nonlinear glass material
- Patent number 6,564,585
- Issue date May 20, 2003
- Shin-Etsu Chemical Co., Ltd.
- Jun Abe
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of fabricating optical nonlinear thin film waveguide and opt...
- Patent number 6,466,722
- Issue date Oct 15, 2002
- Toyota Jidosha Kabushiki Kaisha
- Takumi Fujiwara
- G02 - OPTICS
Information Patent Grant
Second-order nonlinear glass material
- Patent number 6,380,109
- Issue date Apr 30, 2002
- Shin-Etsu Chemical Co., Ltd.
- Jun Abe
- G02 - OPTICS
Information Patent Grant
Manufacture of planar waveguide and planar waveguide
- Patent number 6,374,026
- Issue date Apr 16, 2002
- Toyota Jidosha Kabushiki Kaisha
- Takumi Fujiwara
- G02 - OPTICS
Information Patent Grant
Grating element, light wavelength selection utilizing the same, and...
- Patent number 6,246,815
- Issue date Jun 12, 2001
- Toyota Jidosha Kabushiki Kaisha
- Takumi Fujiwara
- G02 - OPTICS
Information Patent Grant
Inducing or enhancing electro-optic properties in optically transmi...
- Patent number 5,966,233
- Issue date Oct 12, 1999
- University of Sydney
- Takumi Fujiwara
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL WAVELENGTH CONVERTER AND METHOD FOR MANUFACTURING OPTICAL W...
- Publication number 20200348578
- Publication date Nov 5, 2020
- Sumitomo Electric Industries, Ltd.
- Shigehiro NAGANO
- G02 - OPTICS
Information Patent Application
WHITE LIGHT-EMITTING GLASS, GLASS-COVERED LIGHT-EMITTING ELEMENT, A...
- Publication number 20130241399
- Publication date Sep 19, 2013
- Asahi Glass Company, Limited
- Hirokazu MASAI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Optical component and method for its production
- Publication number 20080315123
- Publication date Dec 25, 2008
- Aashi Glass Company, Limited
- Takayuki Komatsu
- G02 - OPTICS
Information Patent Application
Optical nonlinearity material and production method therefor
- Publication number 20010054300
- Publication date Dec 27, 2001
- Takumi Fujiwara
- G02 - OPTICS
Information Patent Application
Second-order nonlinear glass material and a method for producing it
- Publication number 20010019991
- Publication date Sep 6, 2001
- Shin-Etsu Chemical Co., Ltd.
- Jun Abe
- C03 - GLASS MINERAL OR SLAG WOOL

Takumi Fujiwara

Person

Patents Grantslast 30 patents

White light-emitting glass, glass-covered light-emitting element, a...

Optical component and method for its production

Optical nonlinearity material and production method therefor

Method for producing a second-order nonlinear glass material

Method of fabricating optical nonlinear thin film waveguide and opt...

Second-order nonlinear glass material

Manufacture of planar waveguide and planar waveguide

Grating element, light wavelength selection utilizing the same, and...

Inducing or enhancing electro-optic properties in optically transmi...

Patents Applicationslast 30 patents

OPTICAL WAVELENGTH CONVERTER AND METHOD FOR MANUFACTURING OPTICAL W...

WHITE LIGHT-EMITTING GLASS, GLASS-COVERED LIGHT-EMITTING ELEMENT, A...

Optical component and method for its production

Optical nonlinearity material and production method therefor

Second-order nonlinear glass material and a method for producing it