Kenichi Matsushita

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of spacing fibers of optical fiber tapes and coupling the fi...
- Patent number 5,695,540
- Issue date Dec 9, 1997
- Sumitomo Electric Industries, Ltd.
- Hiroshi Suganuma
- G02 - OPTICS
Information Patent Grant
Method of producing optical fiber couplers using rectifier rods to...
- Patent number 5,417,734
- Issue date May 23, 1995
- Sumitomo Electric Industries, Ltd.
- Hiroshi Suganuma
- G02 - OPTICS