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Yasuhiro Ohta
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Chigasaki, JP
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Patents Grants
last 30 patents
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Patent Grant
Spread spectrum communication device and communication system
Patent number
7,274,729
Issue date
Sep 25, 2007
Hitachi, Ltd.
Takashi Shiba
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Spread spectrum communication device and communication system
Patent number
6,697,418
Issue date
Feb 24, 2004
Hitachi, Ltd.
Takashi Shiba
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Spread spectrum communication device and communication system
Patent number
6,134,264
Issue date
Oct 17, 2000
Hitachi, Ltd.
Takashi Shiba
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Spread spectrum communication device and communication system
Publication number
20040120388
Publication date
Jun 24, 2004
Takashi Shiba
H04 - ELECTRIC COMMUNICATION TECHNIQUE