Inventor · disambiguated record
Tsukasa Yamauchi
Also filed as: YAMAUCHI TSUKASA
7 granted patents·302 citations·filing 1977–2014
88Inventor score
Files withHITACHI LTD7
Top patents by PatentIndex Score
7 records- 0188US4176288AZero voltage switching solid state relayHITACHI LTD·Filed 1977·Granted Nov 27, 1979·26 cites·8 claims
- 0280US5539868ACharacter and figure transferring systemHITACHI LTD·Filed 1995·Granted Jul 23, 1996·72 cites·24 claims
- 0375US5852447ACharacter and figure transforming systemHITACHI LTD·Filed 1996·Granted Dec 22, 1998·58 cites·20 claims
- 0468US5247610AMethod and apparatus for generating graphicsHITACHI LTD·Filed 1992·Granted Sep 21, 1993·39 cites·36 claims
- 0554US5781731ASchedule management support systemHITACHI LTD·Filed 1996·Granted Jul 14, 1998·90 cites·29 claims
- 0646US9648286B2Video monitoring system, video monitoring method, and video monitoring system building methodHITACHI LTD·Filed 2014·Granted May 9, 2017·0 cites·13 claims
- 0746US5687221AInformation processing apparatus having speech and non-speech communication functionsHITACHI LTD·Filed 1994·Granted Nov 11, 1997·17 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →