Tetsuaki Watanabe

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for splicing optical fibers
- Patent number 5,533,160
- Issue date Jul 2, 1996
- Sumitomo Electric Industries, Ltd.
- Tetsuaki Watanabe
- G02 - OPTICS
Information Patent Grant
Intermediate branching method for optical path
- Patent number 5,530,782
- Issue date Jun 25, 1996
- Sumitomo Electric Industries, Ltd.
- Keiji Osaka
- G02 - OPTICS
Information Patent Grant
Separating tool for multi-core ribbon fiber
- Patent number 5,524,166
- Issue date Jun 4, 1996
- Sumitomo Electric Industries, Ltd.
- Keiji Osaka
- G02 - OPTICS
Information Patent Grant
Strain relief boot for an optical connector plug
- Patent number 5,329,603
- Issue date Jul 12, 1994
- Sumitomo Electric Industries, Ltd.
- Tetsuaki Watanabe
- G02 - OPTICS
Information Patent Grant
Tape core type coated optical fiber
- Patent number 4,976,508
- Issue date Dec 11, 1990
- Sumitomo Electric Industries, Ltd.
- Toshihiko Okura
- G02 - OPTICS