Hatsune Hara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical waveguide and method of manufacturing the same
- Patent number 7,289,713
- Issue date Oct 30, 2007
- Toppan Printing Co., Ltd.
- Mamoru Ishizaki
- G02 - OPTICS
Information Patent Grant
Optical waveguide and method of manufacturing the same
- Patent number 7,050,691
- Issue date May 23, 2006
- Toppan Printing Co., Ltd.
- Mamoru Ishizaki
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical waveguide and method of manufacturing the same
- Publication number 20060177188
- Publication date Aug 10, 2006
- Toppan Printing Co., Ltd.
- Mamoru Ishizaki
- G02 - OPTICS
Information Patent Application
Optical waveguide and method of manufacturing the same
- Publication number 20040234224
- Publication date Nov 25, 2004
- Toppan Printing Co., Ltd.
- Mamoru Ishizaki
- G02 - OPTICS