Atuhiko Niwa

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Sakura-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber, slanted optical fiber grating, band rejection optica...
- Patent number 6,931,185
- Issue date Aug 16, 2005
- Fujikura Ltd.
- Masaaki Sudo
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Optical fiber, slanted optical fiber grating, band rejection optica...
- Publication number 20030156808
- Publication date Aug 21, 2003
- FUJIKURA LTD.
- Masaaki Sudo
- G02 - OPTICS