Takehiko KAWANO

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber
- Patent number 9,746,605
- Issue date Aug 29, 2017
- Sumitomo Electric Industries, Ltd.
- Kazuyuki Sohma
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FIBER
- Publication number 20170031092
- Publication date Feb 2, 2017
- Sumitomo Electric Industries, Ltd.
- Kazuyuki SOHMA
- G02 - OPTICS