Toshio Oshima

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for selection of optical fiber and system for inspection of...
- Patent number 7,102,739
- Issue date Sep 5, 2006
- Sumitomo Electric Industries, Ltd.
- Shinji Endo
- G01 - MEASURING TESTING
Information Patent Grant
Method for selection of optical fiber and system for inspection of...
- Patent number 6,943,872
- Issue date Sep 13, 2005
- Sumitomo Electric Industries, Ltd.
- Shinji Endo
- G01 - MEASURING TESTING
Information Patent Grant
Connection unit, optical fiber line unit, optical cable, and optica...
- Patent number 6,840,682
- Issue date Jan 11, 2005
- Sumitomo Electric Industries, Ltd.
- Yoshiaki Terasawa
- G02 - OPTICS
Information Patent Grant
Connection unit, optical fiber line unit, optical cable, and optica...
- Patent number 6,533,464
- Issue date Mar 18, 2003
- Sumitomo Electric Industries, Ltd.
- Yoshiaki Terasawa
- G02 - OPTICS
Information Patent Grant
Waterproof optical fiber cable
- Patent number 4,752,113
- Issue date Jun 21, 1988
- Sumitomo Electric Industries, Ltd.
- Yasunori Saito
- G02 - OPTICS
Information Patent Grant
Waterproof optical fiber cable and method of the production thereof
- Patent number 4,701,015
- Issue date Oct 20, 1987
- Sumitomo Electric Industries, Ltd.
- Yasunori Saito
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Method for selection of optical fiber and system for inspection of...
- Publication number 20050248751
- Publication date Nov 10, 2005
- SUMITOMO ELECTRIC INDUSTRIAL CO., LTD.
- Shinji Endo
- G01 - MEASURING TESTING
Information Patent Application
Method for selection of optical fiber and system for inspection of...
- Publication number 20030231297
- Publication date Dec 18, 2003
- Shinji Endo
- G01 - MEASURING TESTING
Information Patent Application
Connection unit, optical fiber line unit, optical cable, and optica...
- Publication number 20030156782
- Publication date Aug 21, 2003
- Sumitomo Electric Industries, Ltd.
- Yoshiaki Terasawa
- G02 - OPTICS