Naoshi Hakamata

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Independent optical ferrule and optical fiber connector which uses...
- Patent number 4,737,009
- Issue date Apr 12, 1988
- Sumitomo Electric Industries, Ltd.
- Toshiaki Kakii
- G02 - OPTICS
Information Patent Grant
Optical connector
- Patent number 4,726,647
- Issue date Feb 23, 1988
- Sumitomo Electric Industries, Ltd.
- Toshiaki Kakii
- G02 - OPTICS
Information Patent Grant
Method of molding plugs for optical fiber cables
- Patent number 4,721,586
- Issue date Jan 26, 1988
- Sumitomo Electric Industries, Ltd.
- Toshiaki Kakii
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL