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Hiroaki Kawamichi
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Coincidence method for distribution system
Patent number
7,181,470
Issue date
Feb 20, 2007
Hitachi, Ltd.
Hiroaki Kawamichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Guidance information providing system
Patent number
7,072,766
Issue date
Jul 4, 2006
Hitachi, Ltd.
Hiromitsu Kato
G01 - MEASURING TESTING
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Patent Grant
Adaptive communication method
Patent number
6,886,039
Issue date
Apr 26, 2005
Hitachi, Ltd.
Hiroaki Kawamichi
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Data notification method and system thereof
Publication number
20050228868
Publication date
Oct 13, 2005
Hiroaki Kawamichi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Guidance information providing system
Publication number
20040260459
Publication date
Dec 23, 2004
Hiromitsu Kato
G01 - MEASURING TESTING