Kiyoshi Oikawa

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Atsugi-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber and production method thereof
- Patent number 7,953,309
- Issue date May 31, 2011
- Nippon Telegraph and Telephone Corporation
- Atsushi Mori
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Tellurite optical fiber and production method thereof
- Patent number 7,677,059
- Issue date Mar 16, 2010
- Nippon Telegraph and Telephone Corporation
- Atsushi Mori
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FIBER AND PRODUCTION METHOD THEREOF
- Publication number 20090060438
- Publication date Mar 5, 2009
- Nippon Telegraph and Telephone Corporation
- Atsushi Mori
- G02 - OPTICS