Toru Yanagi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and methods for optical communication and for identificat...
- Patent number 5,784,514
- Issue date Jul 21, 1998
- Sumitomo Electric Industries, Ltd.
- Toru Yanagi
- G02 - OPTICS
Information Patent Grant
Method for fusion connecting optical fibers utilizing V-grooves wit...
- Patent number 5,384,878
- Issue date Jan 24, 1995
- Sumitomo Electric Industries, Ltd.
- Keiji Osaka
- G02 - OPTICS
Information Patent Grant
Optical fiber clamp for holding a plurality of optical fibers of va...
- Patent number 5,323,481
- Issue date Jun 21, 1994
- Sumitomo Electric Industries, Ltd.
- Yuzo Tokumaru
- G02 - OPTICS
Information Patent Grant
Apparatus for arranging a plurality of coated optical fibers and co...
- Patent number 4,812,010
- Issue date Mar 14, 1989
- Sumitomo Electric Industries, Ltd.
- Keiji Osaka
- G02 - OPTICS