Tsuyoshi Onishi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Plastic optical fiber
- Patent number 7,058,271
- Issue date Jun 6, 2006
- Asahi Glass Company, Limited
- Yasuhiro Koike
- G02 - OPTICS
Information Patent Grant
Plastic optical fiber
- Patent number 6,750,294
- Issue date Jun 15, 2004
- Asahi Glass Company, Limited
- Norihide Sugiyama
- G02 - OPTICS
Information Patent Grant
Method of manufacturing distributed refractive index optical fiber
- Patent number 6,071,441
- Issue date Jun 6, 2000
- Asahi Glass Company Ltd.
- Koji Koganezawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of making a window panel with a resin frame
- Patent number 5,698,157
- Issue date Dec 16, 1997
- Asahi Glass Company Ltd.
- Koji Koganezawa
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Plastic optical fiber
- Publication number 20050207714
- Publication date Sep 22, 2005
- ASAHI GLASS COMPANY LIMITED
- Yasuhiro Koike
- G02 - OPTICS
Information Patent Application
Plastic optical fiber
- Publication number 20020009276
- Publication date Jan 24, 2002
- Asahi Glass Company, Limited
- Norihide Sugiyama
- G02 - OPTICS