Yuichi Usui

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for aligning optical fibers
- Patent number 4,830,490
- Issue date May 16, 1989
- Nippon Telegraph & Telephone Public Corporation
- Toshiaki Kakii
- G02 - OPTICS
Information Patent Grant
Optical fiber connecting jig
- Patent number 4,750,804
- Issue date Jun 14, 1988
- Sumitomo Electric Industries, Ltd.
- Keiji Osaka
- G02 - OPTICS
Information Patent Grant
Method of and apparatus for coupling multicore coated optical fibers
- Patent number 4,715,876
- Issue date Dec 29, 1987
- Sumitomo Electric Industries, Ltd.
- Keiji Osaka
- G02 - OPTICS
Information Patent Grant
Method of heating thermal shrinkage tube and apparatus therefor
- Patent number 4,526,732
- Issue date Jul 2, 1985
- Nippon Telegraph and Telephone Public Corporation
- Toshiaki Kakii
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of producing optical waveguide
- Patent number 4,410,345
- Issue date Oct 18, 1983
- Sumitomo Electric Industries, Ltd.
- Yuichi Usui
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of producing optical waveguide
- Patent number 4,326,869
- Issue date Apr 27, 1982
- Sumitomo Electric Industries, Ltd.
- Shiro Kurosaki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for producing glass member
- Patent number 4,225,330
- Issue date Sep 30, 1980
- Sumitomo Electric Industries, Ltd.
- Hideo Kakuzen
- C03 - GLASS MINERAL OR SLAG WOOL

Yuichi Usui

Person

Patents Grantslast 30 patents

Apparatus for aligning optical fibers

Optical fiber connecting jig

Method of and apparatus for coupling multicore coated optical fibers

Method of heating thermal shrinkage tube and apparatus therefor

Method of producing optical waveguide

Method of producing optical waveguide

Process for producing glass member