Inventor · disambiguated record
Toru Oka
Also filed as: OKA TORU
45 granted patents·5 pending applications·628 citations·filing 1995–2021
98Inventor score
Files withTOYODA GOSEI KK23MITSUBISHI ELECTRIC CORP14COLIN CORP5FUKUDA DENSHI KK3WATANABE YOSHIMASA2
Top patents by PatentIndex Score
50 records- 0189US9508822B2Semiconductor deviceTOYODA GOSEI KK·Filed 2014·Granted Nov 29, 2016·13 cites·25 claims
- 0287US6972834B1Optical distance sensorKARLSRUHE FORSCHZENT·Filed 2000·Granted Dec 6, 2005·38 cites·1 claims
- 0386US7034282B2Optical rotary encoderMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Apr 25, 2006·31 cites·22 claims
- 0485US7390300B2Blood pressure measuring apparatusFUKUDA DENSHI KK·Filed 2006·Granted Jun 24, 2008·43 cites·10 claims
- 0585US5880475AScintillation fiber type radiation detectorMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Mar 9, 1999·85 cites·11 claims
- 0683US7393327B2Blood pressure monitoring apparatusFUKUDA DENSHI KK·Filed 2006·Granted Jul 1, 2008·33 cites·25 claims
- 0781US8987077B2Group III nitride semiconductor device, production method therefor, and power converterTOYODA GOSEI KK·Filed 2013·Granted Mar 24, 2015·5 cites·19 claims
- 0880US7566307B2Blood pressure monitoring apparatusFUKUDA DENSHI KK·Filed 2006·Granted Jul 28, 2009·24 cites·9 claims
- 0979US7405392B2Optical rotary encoderMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Jul 29, 2008·10 cites·7 claims
- 1075US5780856ARadiation detector and method of detecting radiationMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jul 14, 1998·44 cites·15 claims
- 1173US9443950B2Semiconductor deviceTOYODA GOSEI KK·Filed 2013·Granted Sep 13, 2016·3 cites·23 claims
- 1271US9349856B2Semiconductor device including first interface and second interface as an upper surface of a convex protruded from first interface and manufacturing device thereofTOYODA GOSEI KK·Filed 2014·Granted May 24, 2016·3 cites·18 claims
- 1371US7589314B2Optical encoder applying substantially parallel light beams and three periodic optical elementsMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Sep 15, 2009·6 cites·16 claims
- 1470US8633519B2Group III nitride semiconductor device, production method therefor, power converterOKA TORU·Filed 2010·Granted Jan 21, 2014·4 cites·15 claims
- 1569US5675151ADistribution type detector using scintillation fibersMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Oct 7, 1997·36 cites·18 claims
- 1668US6413224B1Blood pressure measuring apparatusCOLIN CORP·Filed 2000·Granted Jul 2, 2002·40 cites·6 claims
- 1767US9391150B2Semiconductor DeviceTOYODA GOSEI KK·Filed 2013·Granted Jul 12, 2016·2 cites·20 claims
- 1867US9331157B2Semiconductor deviceTOYODA GOSEI KK·Filed 2013·Granted May 3, 2016·2 cites·18 claims
- 1965US9030210B2Insulation deterioration diagnosis apparatusWATANABE YOSHIMASA·Filed 2011·Granted May 12, 2015·2 cites·5 claims
- 2062US7470892B2Optical encoderMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Dec 30, 2008·9 cites·22 claims
- 2161US6972402B2Photoelectric rotary encoderMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Dec 6, 2005·8 cites·15 claims
- 2260US9123635B2Manufacturing method of semiconductor deviceTOYODA GOSEI KK·Filed 2013·Granted Sep 1, 2015·1 cites·28 claims
- 2360US5649536ABlood pressure measuring apparatusCOLIN CORP·Filed 1995·Granted Jul 22, 1997·91 cites·12 claims
- 2457US7538313B2Optical encoder having a no track portion of an optical scale being placed at a position symmetrical to a light non-transparent portion within an irradiation region of incident lightMITSUBISHI ELECTRIC CORP·Filed 2007·Granted May 26, 2009·2 cites·1 claims
- 2553US7285769B2Optical encoder with reduced reflected light error having a light non-transparent portion with inclined surfacesMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Oct 23, 2007·5 cites·7 claims
- 2653US6650401B2Optical distance sensorMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Nov 18, 2003·9 cites·11 claims
- 2752US11069788B2Semiconductor deviceTOYODA GOSEI KK·Filed 2020·Granted Jul 20, 2021·0 cites·13 claims
- 2851US6956200B2Phase-shift photoelectric encoderMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Oct 18, 2005·6 cites·14 claims
- 2951US6054938AOptical encoderMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Apr 25, 2000·15 cites·7 claims
- 3048US11011607B2Method of manufacturing semiconductor deviceTOYODA GOSEI KK·Filed 2019·Granted May 18, 2021·0 cites·20 claims
- 3147US10074728B2Semiconductor deviceTOYODA GOSEI KK·Filed 2016·Granted Sep 11, 2018·0 cites·11 claims
- 3247US6045510ABlood pressure measuring apparatusCOLIN CORP·Filed 1998·Granted Apr 4, 2000·38 cites·7 claims
- 3346US12002853B2Semiconductor deviceTOYODA GOSEI KK·Filed 2021·Granted Jun 4, 2024·0 cites·10 claims
- 3445US10854454B2Semiconductor device and method for manufacturing the sameTOYODA GOSEI KK·Filed 2019·Granted Dec 1, 2020·0 cites·2 claims
- 3545US9349668B2Semiconductor deviceTOYODA GOSEI KK·Filed 2014·Granted May 24, 2016·0 cites·14 claims
- 3645US9136367B2Semiconductor deviceTOYODA GOSEI KK·Filed 2014·Granted Sep 15, 2015·0 cites·7 claims
- 3745US6846116B2Sensor headMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Jan 25, 2005·7 cites·5 claims
- 3845US2021376127A1Method for producing semiconductor deviceTOYODA GOSEI KK·Filed 2021·Application pending·0 cites
- 3943US10832911B2Semiconductor deviceTOYODA GOSEI KK·Filed 2019·Granted Nov 10, 2020·0 cites·24 claims
- 4042US9620608B2Semiconductor device and manufacturing method thereofTOYODA GOSEI KK·Filed 2014·Granted Apr 11, 2017·0 cites·9 claims
- 4142US9437525B2Semiconductor device and manufacturing method thereofTOYODA GOSEI KK·Filed 2014·Granted Sep 6, 2016·0 cites·15 claims
- 4242US2020054776A1Photocatalyst-carrying mesh sheet, air purifier, and method for producing photocatalyst-carrying mesh sheetSUNSTAR ENGINEERING INC·Filed 2018·Application pending·0 cites
- 4342US2002120199A1Blood pressure measuring apparatusCOLIN CORP·Filed 2002·Application pending·0 cites
- 4441US10777674B2Semiconductor deviceTOYODA GOSEI KK·Filed 2019·Granted Sep 15, 2020·0 cites·3 claims
- 4541US9299567B2Manufacturing method of MIS-type semiconductor device, including heating a zirconium oxynitride (ZrON) layerTOYODA GOSEI KK·Filed 2014·Granted Mar 29, 2016·0 cites·17 claims
- 4641US2014353675A1Electrode, mis semiconductor device and manufacturing method of electrodeTOYODA GOSEI KK·Filed 2014·Application pending·0 cites
- 4739US9356140B2Semiconductor deviceTOYODA GOSEI KK·Filed 2013·Granted May 31, 2016·0 cites·7 claims
- 4837US9335380B2Device for detecting insulation degradationWATANABE YOSHIMASA·Filed 2010·Granted May 10, 2016·0 cites·5 claims
- 4937US2013161765A1Mis type semiconductor device and production method thereforTOYODA GOSEI KK·Filed 2012·Application pending·0 cites
- 5034US5836888ABlood pressure measuring apparatusCOLIN CORP·Filed 1997·Granted Nov 17, 1998·13 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →