Fumihiro Ashiya

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Mito, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical connector
- Patent number 7,824,109
- Issue date Nov 2, 2010
- Nippon Telegraph and Telephone Corporation
- Hiroshi Tanaka
- G02 - OPTICS
Information Patent Grant
Water absorptive composition
- Patent number 5,278,217
- Issue date Jan 11, 1994
- Tokai Rubber Industries, Ltd.
- Masanari Umeda
- G02 - OPTICS
Information Patent Grant
Multifiber optical connector plug with low reflection and low inser...
- Patent number 5,214,730
- Issue date May 25, 1993
- Nippon Telegraph & Telephone Corporation
- Shinji Nagasawa
- G02 - OPTICS
Information Patent Grant
Optical fiber cable having a water absorptive member
- Patent number 5,179,611
- Issue date Jan 12, 1993
- Tokai Rubber Industries, Ltd.
- Masanari Umeda
- G02 - OPTICS
Information Patent Grant
Optical connector and method of manufacturing a pair of ferrules th...
- Patent number 4,708,433
- Issue date Nov 24, 1987
- Sumitomo Electric Industries, Ltd.
- Toshiaki Kakii
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Optical Connector
- Publication number 20080273842
- Publication date Nov 6, 2008
- Nippon Telegraph and Telephone Corporation
- Hiroshi Tanaka
- G02 - OPTICS