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Fumihiko Shimazaki
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Yokohama, JP
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Patents Grants
last 30 patents
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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
Information
Patent Grant
Movable communication system
Patent number
6,128,485
Issue date
Oct 3, 2000
Hitachi, Ltd.
Takeshi Mori
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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