Toshihiro Ohishi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing optical fiber preform
- Patent number 6,895,783
- Issue date May 24, 2005
- Sumitomo Electric Industries, Ltd.
- Toshihiro Ohishi
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Method of producing optical fiber preform
- Publication number 20020081377
- Publication date Jun 27, 2002
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Toshihiro Ohishi
- C03 - GLASS MINERAL OR SLAG WOOL