Yuu Ishii

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Sakura-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber coupler and optical fiber therefor
- Patent number 7,450,802
- Issue date Nov 11, 2008
- Fujikura Ltd.
- Yuu Ishii
- G02 - OPTICS
Information Patent Grant
Method and device for manufacturing optical fiber grating, optical...
- Patent number 7,298,944
- Issue date Nov 20, 2007
- Fujikura Ltd.
- Yuu Ishii
- G02 - OPTICS
Information Patent Grant
Optical fiber grating, optical fiber grating manufacturing method,...
- Patent number 6,819,834
- Issue date Nov 16, 2004
- Fujikura Ltd.
- Yuu Ishii
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical fiber grating, optical fiber grating manufacturing method,...
- Publication number 20050041923
- Publication date Feb 24, 2005
- Yuu Ishii
- G02 - OPTICS
Information Patent Application
Optical fiber coupler and optical fiber therefor
- Publication number 20040170358
- Publication date Sep 2, 2004
- FUJIKURA LTD.
- Yuu Ishii
- G02 - OPTICS
Information Patent Application
Method and device for manufacturing optical fiber grating, optical...
- Publication number 20040028331
- Publication date Feb 12, 2004
- Yuu Ishii
- G02 - OPTICS
Information Patent Application
Optical fiber grating, optical fiber grating manufacturing method,...
- Publication number 20020025117
- Publication date Feb 28, 2002
- Yuu Ishii
- G02 - OPTICS