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Yoshiyuki Machida
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Kawasaki, JP
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Patents Grants
last 30 patents
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Patent Grant
Radio communication system, adjacent station information management...
Patent number
7,907,949
Issue date
Mar 15, 2011
Hitachi, Ltd.
Kouhei Matsuzawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Base station apparatus, mobile station, and contents provider
Patent number
7,561,557
Issue date
Jul 14, 2009
Hitachi, Ltd.
Masao Hayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Base station apparatus, mobile station, and contents provider
Patent number
7,006,484
Issue date
Feb 28, 2006
Hitachi, Ltd.
Masao Hayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
RADIO COMMUNICATION SYSTEM, ADJACENT STATION INFORMATION MANAGEMENT...
Publication number
20090082021
Publication date
Mar 26, 2009
Kouhei MATSUZAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Base station apparatus, mobile station, and contents provider
Publication number
20060072519
Publication date
Apr 6, 2006
Masao Hayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Base station apparatus, mobile station, and contents provider
Publication number
20020003787
Publication date
Jan 10, 2002
Masao Hayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Geographic information output system
Publication number
20010027375
Publication date
Oct 4, 2001
Hitachi, Ltd.
Yoshiyuki Machida
G01 - MEASURING TESTING