Tetsutaro Katayama

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber, optical fiber amplifier, and optical fiber laser lig...
- Patent number 7,362,937
- Issue date Apr 22, 2008
- Sumitomo Electric Industries, Ltd.
- Tetsutaro Katayama
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Method for producing glass material
- Publication number 20060081004
- Publication date Apr 20, 2006
- Sumitomo Electric Industries, Ltd.
- Shinji Ishikawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Optical fiber, optical fiber amplifier, and optical fiber laser lig...
- Publication number 20060078009
- Publication date Apr 13, 2006
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Tetsutaro Katayama
- G02 - OPTICS