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Hiroaki Okano
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Shinagawa-ku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for fabrication of multilayered optical waveguide structure...
Patent number
7,657,145
Issue date
Feb 2, 2010
Nippon Paint Co., Ltd.
Emi Watanabe
G02 - OPTICS
Information
Patent Grant
Photoelectric composite connector and substrate using the same
Patent number
7,488,119
Issue date
Feb 10, 2009
Hirose Electric Co., Ltd.
Takumi Yoshida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silica based glass waveguide and optical module using the same
Patent number
7,415,183
Issue date
Aug 19, 2008
Hitachi Cable, Ltd.
Hiroaki Okano
G02 - OPTICS
Information
Patent Grant
Method and apparatus for reducing optical insertion loss in planar...
Patent number
6,668,107
Issue date
Dec 23, 2003
Agilent Technologies, Inc.
Marshall Thomas DePue
G02 - OPTICS
Information
Patent Grant
Optical switch, method of manufacturing same, and optical communica...
Patent number
6,487,330
Issue date
Nov 26, 2002
Hitachi, Ltd.
Masaya Horino
G02 - OPTICS
Information
Patent Grant
Optical switch, method of manufacturing same, and optical communica...
Patent number
6,219,472
Issue date
Apr 17, 2001
Hitachi, Ltd.
Masaya Horino
G02 - OPTICS
Information
Patent Grant
Optical waveguide, optical module and optical system using the same
Patent number
5,949,945
Issue date
Sep 7, 1999
Hitachi Cable, Ltd.
Hiroaki Okano
G02 - OPTICS
Information
Patent Grant
Optical waveguide, method of making the same and integrated optical...
Patent number
5,903,697
Issue date
May 11, 1999
Hitachi Ltd.
Yasufumi Yamada
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Method for fabrication of multilayered optical waveguide structure...
Publication number
20070201803
Publication date
Aug 30, 2007
Emi Watanabe
G02 - OPTICS
Information
Patent Application
Photoelectric composite connector and substrate using the same
Publication number
20070122088
Publication date
May 31, 2007
Hirose Electric Co., Ltd.
Takumi Yoshida
G02 - OPTICS
Information
Patent Application
Silica based glass waveguide and optical module using the same
Publication number
20030142942
Publication date
Jul 31, 2003
HITACHI CABLE, LTD.
Hiroaki Okano
G02 - OPTICS
Information
Patent Application
Method and apparatus for reducing optical insertion loss in planar...
Publication number
20030123778
Publication date
Jul 3, 2003
Marshall Thomas DePue
G02 - OPTICS
Information
Patent Application
Optical switch, method of manufacturing same, and optical communica...
Publication number
20010017957
Publication date
Aug 30, 2001
Masaya Horino
G02 - OPTICS