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Katsumi Kuroguchi
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical communication module
Patent number
7,215,886
Issue date
May 8, 2007
Hitachi, Ltd.
Shigenobu Maruyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Laser diode module
Patent number
6,983,000
Issue date
Jan 3, 2006
Hitachi, Ltd.
Kimio Tatsuno
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical transmitter modules
Patent number
6,937,628
Issue date
Aug 30, 2005
OpNext Japan, Inc.
Kimio Tatsuno
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical module which permits stable laser output
Patent number
6,912,363
Issue date
Jun 28, 2005
OpNext Japan, Inc.
Hiroaki Furuichi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Diode laser controling module and applied equipment thereof
Patent number
6,826,211
Issue date
Nov 30, 2004
Hitachi, Ltd.
Kimio Tatsuno
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical communication module, manufacturing method thereof and wave...
Patent number
6,805,496
Issue date
Oct 19, 2004
OpNext Japan, Inc.
Hiroaki Furuichi
G02 - OPTICS
Information
Patent Grant
Laser diode module
Patent number
6,597,712
Issue date
Jul 22, 2003
Hitachi, Ltd.
Kimio Tatsuno
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser coupling device and method for assembling the s...
Patent number
6,332,720
Issue date
Dec 25, 2001
Hitachi, Ltd.
Makoto Shimaoka
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Laser diode module
Publication number
20040228373
Publication date
Nov 18, 2004
Kimio Tatsuno
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical communication module
Publication number
20040208211
Publication date
Oct 21, 2004
OpNext Japan, Inc.
Shigenobu Maruyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical module
Publication number
20030076564
Publication date
Apr 24, 2003
Hiroaki Furuichi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical communication module, manufacturing method thereof and wave...
Publication number
20030072542
Publication date
Apr 17, 2003
OpNext Japan, Inc.
Hiroaki Furuichi
G02 - OPTICS
Information
Patent Application
Optical transmitter modules
Publication number
20030067948
Publication date
Apr 10, 2003
Kimio Tatsuno
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Laser diode module
Publication number
20030039276
Publication date
Feb 27, 2003
Kimio Tatsuno
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Diode laser controling module and applied equipment thereof
Publication number
20030002050
Publication date
Jan 2, 2003
Kimio Tatsuno
H01 - BASIC ELECTRIC ELEMENTS