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Yuji Miyazawa
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Kanagawa, JP
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last 30 patents
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Patent Grant
Content usage control system, content usage apparatus, computer rea...
Patent number
6,873,975
Issue date
Mar 29, 2005
Fujitsu Limited
Takahisa Hatakeyama
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Gas pressure sensor
Patent number
4,703,657
Issue date
Nov 3, 1987
Toyo Communication Equipment Co. Ltd
Koichi Hirama
G01 - MEASURING TESTING