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Yikitoshi Tsuboi
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Yokohama-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Motion picture recording/reproduction apparatus
Patent number
6,947,660
Issue date
Sep 20, 2005
Hitachi, Ltd.
Hideo Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Motion picture recording/reproduction apparatus
Patent number
6,643,453
Issue date
Nov 4, 2003
Hitachi, Ltd.
Hideo Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Motion picture recording/reproduction apparatus
Publication number
20040076399
Publication date
Apr 22, 2004
Hitachi, Ltd
Hideo Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE