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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
MOLDING APPARATUS FOR A REINFORCEMENT RESIN COATING OF GLASS OPTICA...
Patent number
7,234,881
Issue date
Jun 26, 2007
Sumitomo Electric Industries, Ltd.
Rei Koike
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Etching an optical fiber fusion splice
Patent number
6,553,791
Issue date
Apr 29, 2003
Sumitomo Electric Industries, Ltd.
Keiji Osaka
G02 - OPTICS
Information
Patent Grant
Observation apparatus and fusion splicer for optical fibers
Patent number
6,287,020
Issue date
Sep 11, 2001
Sumitomo Electric Industries, Ltd.
Keiji Osaka
G02 - OPTICS
Information
Patent Grant
Optical fiber ribbon fusion splicing apparatus
Patent number
6,190,057
Issue date
Feb 20, 2001
Sumitomo Electric Industries, Ltd.
Keiji Osaka
G02 - OPTICS
Information
Patent Grant
Apparatus for separating ribbon-coated multicore optical fiber
Patent number
6,105,480
Issue date
Aug 22, 2000
Sumitomo Electric Industries, Ltd.
Keiji Osaka
G02 - OPTICS
Information
Patent Grant
Optical connector apparatus
Patent number
5,590,227
Issue date
Dec 31, 1996
Sumitomo Electric Industries, Ltd.
Keiji Osaka
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
Optical connector connecting apparatus and optical connector connec...
Patent number
5,418,872
Issue date
May 23, 1995
Sumitomo Electric Industries, Ltd.
Keiji Osaka
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
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
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 for splicing optical fibers
Patent number
4,749,252
Issue date
Jun 7, 1988
Sumitomo Electric Industries, Ltd.
Tooru Yanagi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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
Patents Applications
last 30 patents
Information
Patent Application
Molding die, method of reinforcing optical fiber junction, and opti...
Publication number
20020044749
Publication date
Apr 18, 2002
SUMITOMO ELECTRIC INDUSTRIES, LTD.
Rei Koike
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Optical connecting article
Publication number
20020015563
Publication date
Feb 7, 2002
Takashi Murakami
G02 - OPTICS