Inventor
HIRAMATSU TAMIHEI
JP8 patents
Patents
8 patentsUS6594052B2Jul 15, 2003
Transmitting apparatus and method, receiving apparatus and method, distribution medium and transmitting system
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US5065317ANov 12, 1991
Language laboratory systems
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US4280136AJul 21, 1981
Tape cassette and label inspection system therefor
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US5180307AJan 19, 1993
Learning apparatus
SONY CORP10 citations71
US4786255ANov 22, 1988
Group education system
SONY CORP13 citations70
US6590373B2Jul 8, 2003
Regenerative load apparatus and load test method
SONY CORP2 citations60
US5636141AJun 3, 1997
Method and appartus for accumulating and supplying signals
SONY CORP4 citations60
US7158538B2Jan 2, 2007
Transmitting apparatus, transmitting method, receiving apparatus, receiving method, and transmitting and receiving system
SONY CORP0 citations40