Inventor · disambiguated record
Hiroyasu Ishida
Also filed as: ISHIDA HIROYASU
19 granted patents·6 pending applications·61 citations·filing 1989–2025
92Inventor score
Files withSANYO ELECTRIC CO13AGENCY IND SCIENCE TECHN2ISHIDA HIROYASU2YANMAR HOLDINGS CO LTD2SANYO SEMICONDUCTOR CO LTD1
Top patents by PatentIndex Score
25 records- 0175US7825474B2Insulated-gate semiconductor device and PN junction diodesSANYO ELECTRIC CO·Filed 2007·Granted Nov 2, 2010·7 cites·9 claims
- 0272US9027691B2Driving unit and electric assist bicycleYAMAHA MOTOR CO LTD·Filed 2013·Granted May 12, 2015·8 cites·6 claims
- 0372US8133788B2Method of manufacturing semiconductor deviceSAYAMA YASUYUKI·Filed 2009·Granted Mar 13, 2012·5 cites·8 claims
- 0472US7692240B2Insulated gate semiconductor deviceSANYO ELECTRIC CO·Filed 2007·Granted Apr 6, 2010·6 cites·7 claims
- 0570US7439137B2Method for manufacturing semiconductor deviceSANYO ELECTRIC CO·Filed 2005·Granted Oct 21, 2008·4 cites·7 claims
- 0669US8344457B2Insulated-gate semiconductor device with protection diodeSANYO SEMICONDUCTOR CO LTD·Filed 2010·Granted Jan 1, 2013·3 cites·9 claims
- 0768US11951831B2Work vehicleYANMAR HOLDINGS CO LTD·Filed 2023·Granted Apr 9, 2024·0 cites·11 claims
- 0868US2025306588A1Operation device and work machineYANMAR HOLDINGS CO LTD·Filed 2025·Application pending·0 cites
- 0965US7777316B2Semiconductor deviceSANYO ELECTRIC CO·Filed 2008·Granted Aug 17, 2010·3 cites·2 claims
- 1064US7732869B2Insulated-gate semiconductor deviceSANYO ELECTRIC CO·Filed 2007·Granted Jun 8, 2010·4 cites·8 claims
- 1160US7528441B2Insulated gate semiconductor deviceSANYO ELECTRIC CO·Filed 2007·Granted May 5, 2009·3 cites·12 claims
- 1257US8217486B2Semiconductor device and method of processing the sameISHIDA HIROYASU·Filed 2008·Granted Jul 10, 2012·2 cites·7 claims
- 1355US8253207B2Insulated gate semiconductor deviceYONEDA SHUJI·Filed 2009·Granted Aug 28, 2012·1 cites·5 claims
- 1452US7230300B2Semiconductor device with peripheral trenchSANYO ELECTRIC CO·Filed 2004·Granted Jun 12, 2007·6 cites·4 claims
- 1550US8717557B2Spectrophotometer and method for determining performance thereofTOBE HAYATO·Filed 2011·Granted May 6, 2014·1 cites·6 claims
- 1650US7629644B2Insulated gate-type semiconductor device and manufacturing method of the sameSANYO ELECTRIC CO·Filed 2004·Granted Dec 8, 2009·3 cites·7 claims
- 1747US2006220122A1Semiconductor device and method of manufacturing the sameSANYO ELECTRIC CO·Filed 2006·Application pending·0 cites
- 1845US7902053B2Method of processing semiconductor waferSANYO ELECTRIC CO·Filed 2008·Granted Mar 8, 2011·0 cites·5 claims
- 1938US10976742B2Ship handling deviceYANMAR CO LTD·Filed 2017·Granted Apr 13, 2021·0 cites·20 claims
- 2038US2007072352A1Insulated gate field effect transistor and manufacturing method thereofSANYO ELECTRIC CO·Filed 2006·Application pending·0 cites
- 2137US5071915AFluorine-containing polymeric compound and a method for the preparation thereofAGENCY IND SCIENCE TECHN·Filed 1990·Granted Dec 10, 1991·3 cites·3 claims
- 2236US2006180836A1Semiconductor device and manufacturing method thereofSANYO ELECTRIC CO·Filed 2006·Application pending·0 cites
- 2335US5001198AFluorine-containing polymeric compound and a method for the preparation thereofAGENCY IND SCIENCE TECHN·Filed 1989·Granted Mar 19, 1991·2 cites·3 claims
- 2434US2007007588A1Insulated gate semiconductor device, protection circuit and their manufacturing methodSANYO ELECTRIC CO·Filed 2006·Application pending·0 cites
- 2533US2006255407A1Semiconductor device and manufacturing method of the sameISHIDA HIROYASU·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →