Ken Hashimoto

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical waveguide type grating element, production method thereof,...
- Patent number 6,915,045
- Issue date Jul 5, 2005
- Sumitomo Electric Industries, Ltd.
- Ken Hashimoto
- G02 - OPTICS
Information Patent Grant
Diffraction grating device
- Patent number 6,876,791
- Issue date Apr 5, 2005
- Sumitomo Electric Industries, Ltd.
- Kiyotaka Murashima
- G02 - OPTICS
Information Patent Grant
Method of making diffraction grating device, diffraction grating de...
- Patent number 6,842,568
- Issue date Jan 11, 2005
- Sumitomo Electric Industries, Ltd.
- Ken Hashimoto
- G02 - OPTICS
Information Patent Grant
Diffraction grating device manufacturing method, diffraction gratin...
- Patent number 6,804,437
- Issue date Oct 12, 2004
- Sumitomo Electric Industries, Ltd.
- Kiyotaka Murashima
- G02 - OPTICS
Information Patent Grant
Optical fiber and optical component including the same
- Patent number 6,597,849
- Issue date Jul 22, 2003
- Sumitomo Electric Industries, Ltd.
- Shinji Ishikawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of making diffraction grating device, diffraction grating de...
- Patent number 6,519,389
- Issue date Feb 11, 2003
- Sumitomo Electric Industries, Ltd.
- Ken Hashimoto
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical components
- Publication number 20070189682
- Publication date Aug 16, 2007
- Ken Hashimoto
- G02 - OPTICS
Information Patent Application
Apparatus and method of manufacturing optical waveguide type diffra...
- Publication number 20040252944
- Publication date Dec 16, 2004
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Ken Hashimoto
- G02 - OPTICS
Information Patent Application
Diffraction grating device making method and apparatus
- Publication number 20040161196
- Publication date Aug 19, 2004
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Kiyotaka Murashima
- G02 - OPTICS
Information Patent Application
Grating device, method of fabricating the same and optical communic...
- Publication number 20040136653
- Publication date Jul 15, 2004
- Kiyotaka Murashima
- G02 - OPTICS
Information Patent Application
Optical waveguide type grating element, production method thereof,...
- Publication number 20040114864
- Publication date Jun 17, 2004
- Ken Hashimoto
- G02 - OPTICS
Information Patent Application
Method of making diffraction grating device, diffraction grating de...
- Publication number 20030228106
- Publication date Dec 11, 2003
- Ken Hashimoto
- G02 - OPTICS
Information Patent Application
Diffraction grating device manufacturing method, diffraction gratin...
- Publication number 20030165294
- Publication date Sep 4, 2003
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Kiyotaka Murashima
- G02 - OPTICS
Information Patent Application
Method of making diffraction grating device, diffraction grating de...
- Publication number 20030140656
- Publication date Jul 31, 2003
- Sumitomo Electric Industries, Ltd.
- Ken Hashimoto
- G02 - OPTICS
Information Patent Application
Optical waveguide type diffraction grating and method for manufactu...
- Publication number 20030113065
- Publication date Jun 19, 2003
- Masaki Ohmura
- G02 - OPTICS
Information Patent Application
Diffraction grating device
- Publication number 20030044117
- Publication date Mar 6, 2003
- Kiyotaka Murashima
- G02 - OPTICS
Information Patent Application
Optical fiber and optical component including the same
- Publication number 20020025131
- Publication date Feb 28, 2002
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Shinji Ishikawa
- C03 - GLASS MINERAL OR SLAG WOOL

Ken Hashimoto

Person

Patents Grantslast 30 patents

Optical waveguide type grating element, production method thereof,...

Diffraction grating device

Method of making diffraction grating device, diffraction grating de...

Diffraction grating device manufacturing method, diffraction gratin...

Optical fiber and optical component including the same

Method of making diffraction grating device, diffraction grating de...

Patents Applicationslast 30 patents

Optical components

Apparatus and method of manufacturing optical waveguide type diffra...

Diffraction grating device making method and apparatus

Grating device, method of fabricating the same and optical communic...

Optical waveguide type grating element, production method thereof,...

Method of making diffraction grating device, diffraction grating de...

Diffraction grating device manufacturing method, diffraction gratin...

Method of making diffraction grating device, diffraction grating de...

Optical waveguide type diffraction grating and method for manufactu...

Diffraction grating device

Optical fiber and optical component including the same