Masanori Fujikawa

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for inserting optical fibers into a spacer having spiral...
- Patent number 4,833,871
- Issue date May 30, 1989
- Sumitomo Electric Industries, Ltd.
- Satoshi Ogawa
- G02 - OPTICS
Information Patent Grant
Liquid replenishing apparatus
- Patent number 4,622,988
- Issue date Nov 18, 1986
- Sumitomo Electric Industries, Ltd.
- Hiroaki Takimoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...