Inventor · disambiguated record
Katsuhiko Nishiwaki
Also filed as: NISHIWAKI KATSUHIKO
9 granted patents·1 pending application·66 citations·filing 1982–2015
86Inventor score
Top patents by PatentIndex Score
10 records- 0179USD276550SElectric fanHITACHI LTD·Filed 1982·Granted Nov 27, 1984·16 cites·1 claims
- 0276USD278712SCentral processor unitHITACHI LTD·Filed 1982·Granted May 7, 1985·16 cites·1 claims
- 0369US6518629B1Semiconductor device and process for producing the deviceTOYOTA MOTOR CO LTD·Filed 2000·Granted Feb 11, 2003·16 cites·14 claims
- 0453US6921941B2High withstand voltage field effect semiconductor device with a field dispersion regionTOYOTA MOTOR CO LTD·Filed 2004·Granted Jul 26, 2005·6 cites·17 claims
- 0551USD279780SFacsimile transceiverHITACHI LTD·Filed 1983·Granted Jul 23, 1985·5 cites·1 claims
- 0647US6509610B2Insulated gate semiconductor device with high minority carrier injection and low on-voltage by enlarged pn-junction areaTOYOTA MOTOR CO LTD·Filed 2001·Granted Jan 21, 2003·4 cites·14 claims
- 0743US6930353B2Field-effect-type semiconductor deviceTOYOTA MOTOR CO LTD·Filed 2003·Granted Aug 16, 2005·2 cites·20 claims
- 0840US7579652B2Semiconductor device having a high withstand voltageTOYOTA MOTOR CO LTD·Filed 2004·Granted Aug 25, 2009·1 cites·6 claims
- 0938US2016005843A1Semiconductor device and manufacturing method thereofHIRABAYASHI YASUHIRO·Filed 2013·Application pending·0 cites
- 1033US9761681B2Semiconductor deviceTOYOTA MOTOR CO LTD·Filed 2015·Granted Sep 12, 2017·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →