Masakazu Watanabe

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for assembling optical cable
- Patent number 6,615,571
- Issue date Sep 9, 2003
- Sumitomo Electric Industries, Ltd.
- Takehiko Okada
- G02 - OPTICS
Information Patent Grant
Optical fiber ribbon stranding method and device
- Patent number 6,237,316
- Issue date May 29, 2001
- Sumitomo Electric Industries, Ltd.
- Koichi Saito
- G02 - OPTICS
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