Nobuyuki Tanaka

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Sakura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber grating and manufacturing method thereof
- Patent number 6,442,313
- Issue date Aug 27, 2002
- Fujikura Ltd.
- Ryozo Yamauchi
- G02 - OPTICS
Information Patent Grant
Optical fiber grating and manufacturing method therefor
- Patent number 6,298,183
- Issue date Oct 2, 2001
- Fujikura Ltd.
- Ryozo Yamauchi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical fiber grating and manufacturing method thereof
- Publication number 20010019643
- Publication date Sep 6, 2001
- Ryozo Yamauchi
- G02 - OPTICS