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Fumio Takahashi
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Communication control device, data communication method and program
Patent number
8,635,386
Issue date
Jan 21, 2014
Renesas Electronics Corporation
Fumio Takahashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Evaluation device consisting of a logic simulator and a simulation...
Patent number
8,027,826
Issue date
Sep 27, 2011
Renesas Electronics Corporation
Fumio Takahashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical branching unit
Patent number
7,362,933
Issue date
Apr 22, 2008
Omron Corporation
Fumio Takahashi
G02 - OPTICS
Information
Patent Grant
Optical waveguide circuit component and method of manufacturing the...
Patent number
7,221,844
Issue date
May 22, 2007
Omron Corporation
Fumio Takahashi
G02 - OPTICS
Information
Patent Grant
Multiple split optical waveguide
Patent number
7,116,867
Issue date
Oct 3, 2006
NHK Spring Co., Ltd.
Fumio Takahashi
G02 - OPTICS
Information
Patent Grant
Optical splitter
Patent number
7,088,889
Issue date
Aug 8, 2006
NHK Spring Co., Ltd.
Fumio Takahashi
G02 - OPTICS
Information
Patent Grant
Optical waveguide Y junction
Patent number
6,707,968
Issue date
Mar 16, 2004
NHK Spring Co., Ltd.
Michiya Masuda
G02 - OPTICS
Information
Patent Grant
Optical component having positioning markers and method for making...
Patent number
6,553,171
Issue date
Apr 22, 2003
NHK Spring Co., Ltd.
Fumio Takahashi
G02 - OPTICS
Information
Patent Grant
Method of and apparatus for measuring the refractive power of a con...
Patent number
4,395,120
Issue date
Jul 26, 1983
Nippon Kogaku K.K.
Fumio Takahashi
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
COMMUNICATION CONTROL DEVICE, DATA COMMUNICATION METHOD AND PROGRAM
Publication number
20110289243
Publication date
Nov 24, 2011
Renesas Electronics Corporation
Fumio TAKAHASHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Optical branching unit
Publication number
20070053636
Publication date
Mar 8, 2007
Omron Corporation
Fumio Takahashi
G02 - OPTICS
Information
Patent Application
Optical waveguide circuit component and method of manufacturing the...
Publication number
20060018589
Publication date
Jan 26, 2006
NHK Spring Co., Ltd.
Fumio Takahashi
G02 - OPTICS
Information
Patent Application
Optical splitter
Publication number
20050041925
Publication date
Feb 24, 2005
NHK SPRING CO., LTD
Fumio Takahashi
G02 - OPTICS
Information
Patent Application
Multiple split optical waveguide
Publication number
20040218869
Publication date
Nov 4, 2004
Fumio Takahashi
G02 - OPTICS
Information
Patent Application
Optical waveguide Y junction
Publication number
20020018624
Publication date
Feb 14, 2002
Michiya Masuda
G02 - OPTICS