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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Temperature control device and arrayed waveguide grating optical wa...
Patent number
7,050,673
Issue date
May 23, 2006
Sumiden Opcom, Ltd.
Kazuo Iiduka
G05 - CONTROLLING REGULATING
Information
Patent Grant
Electric discharge method and apparatus
Patent number
5,777,867
Issue date
Jul 7, 1998
Suitomo Electric Industries, Ltd.
Hidetoshi Hongu
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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
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
Clamp for use in optical fiber coupler manufacturing apparatus
Patent number
5,395,101
Issue date
Mar 7, 1995
Sumitomo Electric Industries, Ltd.
Hiroaki Takimoto
G02 - OPTICS
Information
Patent Grant
Reflection monitor optical fiber coupler manufacturing system and m...
Patent number
5,329,600
Issue date
Jul 12, 1994
Sumitomo Electric Industries, Ltd.
Eisuke Sasaoka
G02 - OPTICS
Information
Patent Grant
Fiber coupler manufacturing apparatus having an automatic breaking...
Patent number
5,318,610
Issue date
Jun 7, 1994
Sumitomo Electric Industries, Ltd.
Hiroaki Takimoto
G02 - OPTICS
Information
Patent Grant
Process for producing an optical fiber coupler
Patent number
5,309,536
Issue date
May 3, 1994
Sumitomo Electric Industries, Ltd.
Hiroshi Suganuma
G02 - OPTICS
Information
Patent Grant
Fiber coupler manufacturing apparatus having an automatic breaking...
Patent number
5,306,323
Issue date
Apr 26, 1994
Sumitomo Electric Industries, Ltd.
Hiroaki Takimoto
G02 - OPTICS
Information
Patent Grant
Optical-coupler reinforcing material and optical-coupler reinforcin...
Patent number
5,261,018
Issue date
Nov 9, 1993
Sumitomo Electric Industries, Ltd.
Hiroshi Suganuma
G02 - OPTICS
Information
Patent Grant
Reinforcing apparatus for optical-fiber coupler
Patent number
5,247,598
Issue date
Sep 21, 1993
Sumitomo Electric Industries, Ltd.
Hiroaki Takimoto
G02 - OPTICS
Information
Patent Grant
Method of reinforcing optical fiber coupler
Patent number
5,208,883
Issue date
May 4, 1993
Sumitomo Electric Industries, Ltd.
Tomoyuki Hattori
G02 - OPTICS
Information
Patent Grant
Method and apparatus for producing optical fiber coupler
Patent number
5,205,851
Issue date
Apr 27, 1993
Sumitomo Electric Industries, Ltd.
Hiroshi Suganuma
G02 - OPTICS
Information
Patent Grant
Method of producing optical-fiber coupler
Patent number
5,176,730
Issue date
Jan 5, 1993
Sumitomo Electric Industries, Ltd.
Hiroshi Suganuma
G02 - OPTICS
Patents Applications
last 30 patents
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