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Shiro Nakamura
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Chiyoda-ku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Variable optical dispersion compensating module
Patent number
7,376,300
Issue date
May 20, 2008
Furukawa Electric Co., Ltd.
Nobutaka Fuke
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Planar lightwave circuit platform and method for manufacturing the...
Patent number
6,631,235
Issue date
Oct 7, 2003
The Furukawa Electric Co., Ltd.
Hiroshi Kawashima
G02 - OPTICS
Information
Patent Grant
Hybrid optical waveguide circuit chip, and method for predicting th...
Patent number
6,480,642
Issue date
Nov 12, 2002
Furukawa Electric Co., Ltd.
Hiroshi Kawashima
G02 - OPTICS
Information
Patent Grant
Optical multiplexer/demultiplexer
Patent number
6,418,249
Issue date
Jul 9, 2002
The Furukawa Electric Co., Ltd.
Shiro Nakamura
G02 - OPTICS
Information
Patent Grant
Arrayed waveguide grating type optical multiplexer/demultiplexer
Patent number
6,404,946
Issue date
Jun 11, 2002
The Furukawa Electric Co., Ltd.
Takeshi Nakajima
G02 - OPTICS
Information
Patent Grant
Optical waveguide component and a light signal processing method us...
Patent number
5,649,037
Issue date
Jul 15, 1997
The Furukawa Electric Co., Ltd.
Isao Ohyama
G02 - OPTICS
Information
Patent Grant
Composite optical device
Patent number
5,583,958
Issue date
Dec 10, 1996
The Furukawa Electric Co., Ltd.
Hisaharu Yanagawa
G02 - OPTICS
Information
Patent Grant
Multifiber connector, a method of manufacturing the same, and a con...
Patent number
5,548,675
Issue date
Aug 20, 1996
The Furukawa Electric Co., Ltd.
Takashi Shigematsu
G02 - OPTICS
Information
Patent Grant
Method of positioning elements of an optical integrated circuit
Patent number
5,529,595
Issue date
Jun 25, 1996
The Furukawa Electric Co., Ltd.
Ken Ueki
G02 - OPTICS
Information
Patent Grant
Optical waveguide component with a molded resin portion having accu...
Patent number
5,414,786
Issue date
May 9, 1995
The Furukawa Electric Co., Ltd.
Toshihiko Ohta
G02 - OPTICS
Information
Patent Grant
Optical line monitoring method and an apparatus permitting simultan...
Patent number
5,396,569
Issue date
Mar 7, 1995
The Furukawa Electric Co., Ltd.
Hisaharu Yanagawa
G01 - MEASURING TESTING
Information
Patent Grant
Method of connecting an optical fiber to an optical waveguide
Patent number
5,297,228
Issue date
Mar 22, 1994
The Furukawa Electric Co., Ltd.
Hisaharu Yanagawa
G02 - OPTICS
Information
Patent Grant
Optical coupler/splitter with a filter
Patent number
5,214,725
Issue date
May 25, 1993
The Furukawa Electric Co., Ltd.
Hisaharu Yanagawa
G02 - OPTICS
Information
Patent Grant
Waveguide-type coupler/splitter
Patent number
5,179,604
Issue date
Jan 12, 1993
The Furukawa Electric Co., Ltd.
Hisaharu Yanagawa
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Variable optical dispersion compensating module
Publication number
20050191018
Publication date
Sep 1, 2005
Nobutaka Fuke
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Variable optical dispersion compensating module
Publication number
20030007725
Publication date
Jan 9, 2003
Nobutaka Fuke
G02 - OPTICS