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Yutaka Natsume
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical branching unit, and method of manufacturing the same
Patent number
7,335,875
Issue date
Feb 26, 2008
Omron Corporation
Yusuke Terada
G02 - OPTICS
Information
Patent Grant
Multichannel array waveguide diffraction grating multiplexer/demult...
Patent number
7,231,118
Issue date
Jun 12, 2007
Omron Corporation
Ryouichi Tazawa
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
Method for fabricating planar optical waveguide devices
Patent number
6,605,228
Issue date
Aug 12, 2003
NHK Spring Co., Ltd.
Shigeru Kawaguchi
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Optical branching unit, and method of manufacturing the same
Publication number
20070086711
Publication date
Apr 19, 2007
Omron Corporation
Yusuke Terada
G02 - OPTICS
Information
Patent Application
Multichannel array waveguide diffraction grating multiplexer/demult...
Publication number
20060177180
Publication date
Aug 10, 2006
NHK SPRING CO., LTD.
Ryouichi Tazawa
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