Inventor · disambiguated record
Toshimasa Yamamoto
Also filed as: YAMAMOTO TOSHIMASA
47 granted patents·3 pending applications·1,269 citations·filing 1980–2015
98Inventor score
Top patents by PatentIndex Score
50 records- 0195US6240782B1Semiconductor physical quantity sensor and production method thereofDENSO CORP·Filed 1999·Granted Jun 5, 2001·119 cites·16 claims
- 0295US5987989ASemiconductor physical quantity sensorDENSO CORP·Filed 1997·Granted Nov 23, 1999·125 cites·11 claims
- 0395US5922212ASemiconductor sensor having suspended thin-film structure and method for fabricating thin-film structure bodyNIPPON DENSO CO·Filed 1996·Granted Jul 13, 1999·122 cites·20 claims
- 0494US7825449B2Silicon carbide semiconductor device and related manufacturing methodDENSO CORP·Filed 2008·Granted Nov 2, 2010·36 cites·11 claims
- 0589US6118152ASemiconductor device and method of manufacturing the sameDENSO CORP·Filed 1998·Granted Sep 12, 2000·104 cites·27 claims
- 0689US5632895ASerum separating device and apparatus for serum separationNIIGATA ENGINEERING CO LTD·Filed 1994·Granted May 27, 1997·102 cites·23 claims
- 0788US6388279B1Semiconductor substrate manufacturing method, semiconductor pressure sensor and manufacturing method thereofDENSO CORP·Filed 1998·Granted May 14, 2002·70 cites·8 claims
- 0888US4597546AWebbing retractorTAKAI RIKA DENKI SEISAKUSHO KK·Filed 1985·Granted Jul 1, 1986·78 cites·7 claims
- 0986US5572057ASemiconductor acceleration sensor with movable electrodeNIPPON DENSO CO·Filed 1994·Granted Nov 5, 1996·54 cites·65 claims
- 1085US8748975B2Switching element and manufacturing method thereofFUJIWARA HIROKAZU·Filed 2012·Granted Jun 10, 2014·7 cites·9 claims
- 1185US5504356ASemiconductor accelerometerNIPPON DENSO CO·Filed 1993·Granted Apr 2, 1996·49 cites·25 claims
- 1284US6048774AMethod of manufacturing dynamic amount semiconductor sensorDENSO CORP·Filed 1998·Granted Apr 11, 2000·57 cites·24 claims
- 1383US9853139B2Semiconductor device and method for manufacturing the semiconductor deviceTOYOTA MOTOR CO LTD·Filed 2015·Granted Dec 26, 2017·4 cites·6 claims
- 1483US7290730B2Webbing retractorTOKAI RIKA CO LTD·Filed 2004·Granted Nov 6, 2007·37 cites·13 claims
- 1582US9793376B2Silicon carbide semiconductor device and method of manufacturing the sameDENSO CORP·Filed 2013·Granted Oct 17, 2017·5 cites·5 claims
- 1682US6626037B1Thermal flow sensor having improved sensing rangeDENSO CORP·Filed 2000·Granted Sep 30, 2003·28 cites·18 claims
- 1781US9029871B2Semiconductor deviceSOENO AKITAKA·Filed 2012·Granted May 12, 2015·5 cites·3 claims
- 1875US9780205B2Insulated gate type semiconductor device having floating regions at bottom of trenches in cell region and circumferential region and manufacturing method thereofSAITO JUN·Filed 2014·Granted Oct 3, 2017·3 cites·6 claims
- 1975US5500549ASemiconductor yaw rate sensorNIPPON DENSO CO·Filed 1994·Granted Mar 19, 1996·41 cites·27 claims
- 2073US9219142B2Semiconductor device having element region and termination region surrounding element regionTOYOTA MOTOR CO LTD·Filed 2014·Granted Dec 22, 2015·3 cites·12 claims
- 2173US6701782B2Flow sensorDENSO CORP·Filed 2002·Granted Mar 9, 2004·17 cites·24 claims
- 2272US6983653B2Flow sensor having thin film portion and method for manufacturing the sameDENSO CORP·Filed 2003·Granted Jan 10, 2006·21 cites·66 claims
- 2372US6137150ASemiconductor physical-quantity sensor having a locos oxide film, for sensing a physical quantity such as acceleration, yaw rate, or the likeNIPPON DENSO CO·Filed 1995·Granted Oct 24, 2000·33 cites·16 claims
- 2470US9627248B2Insulated gate type semiconductor deviceTOYOTA MOTOR CO LTD·Filed 2015·Granted Apr 18, 2017·2 cites·4 claims
- 2567US9911803B2Semiconductor deviceTOYOTA MOTOR CO LTD·Filed 2014·Granted Mar 6, 2018·2 cites·9 claims
- 2666US9853141B2Semiconductor device with front and rear surface electrodes on a substrate having element and circumferential regions, an insulating gate type switching element in the element region being configured to switch between the front and rear surface electrodesSAITO JUN·Filed 2014·Granted Dec 26, 2017·2 cites·2 claims
- 2762US8975139B2Manufacturing method of silicon carbide semiconductor deviceMIYAHARA SHINICHIRO·Filed 2012·Granted Mar 10, 2015·1 cites·17 claims
- 2861US6960511B2Semiconductor device and method of manufacturing the sameDENSO CORP·Filed 2003·Granted Nov 1, 2005·9 cites·30 claims
- 2961US5266199ASerum separating apparatusNIGATA CHEMICALS AND PLASTICS·Filed 1991·Granted Nov 30, 1993·54 cites·19 claims
- 3060US9755042B2Insulated gate semiconductor device and method for manufacturing the insulated gate semiconductor deviceTOYOTA MOTOR CO LTD·Filed 2015·Granted Sep 5, 2017·1 cites·13 claims
- 3156US7201053B2Capacitance type physical quantity sensorDENSO CORP·Filed 2004·Granted Apr 10, 2007·7 cites·21 claims
- 3254US4955639AStructure for mounting a slip jointTOKAI RIKA CO LTD·Filed 1988·Granted Sep 11, 1990·16 cites·7 claims
- 3349US6768291B2Fluid flow sensor and method of fabricating the sameDENSO CORP·Filed 2002·Granted Jul 27, 2004·5 cites·4 claims
- 3448US6705160B2Flow sensorDENSO CORP·Filed 2002·Granted Mar 16, 2004·4 cites·8 claims
- 3546US6694811B2Flow meter having airflow sensorDENSO CORP·Filed 2003·Granted Feb 24, 2004·3 cites·19 claims
- 3646US4898033AAcceleration sensorTOKAI RIKA CO LTD·Filed 1988·Granted Feb 6, 1990·11 cites·20 claims
- 3744US10020390B2Semiconductor device and semiconductor device manufacturing methodSAITO JUN·Filed 2014·Granted Jul 10, 2018·0 cites·9 claims
- 3844US6602428B2Method of manufacturing sensor having membrane structureDENSO CORP·Filed 2001·Granted Aug 5, 2003·2 cites·25 claims
- 3944US2005211816A1Webbing take-up deviceTOKAI RIKA CO LTD·Filed 2005·Application pending·0 cites
- 4039US4585186AWebbing retractorTOKAI RIKA CO LTD·Filed 1984·Granted Apr 29, 1986·6 cites·9 claims
- 4139US2014346592A1Semiconductor deviceSOENO AKITAKA·Filed 2012·Application pending·0 cites
- 4237US2013105889A1Switching device and method for manufacturing the sameFUJIWARA HIROKAZU·Filed 2012·Application pending·0 cites
- 4336US5386774AMechanical sensorTOKAIRIKA DENKI SEISAKUSHO KK·Filed 1993·Granted Feb 7, 1995·7 cites·20 claims
- 4435US4392672AWebbing retractorTOYOTA MOTOR CO LTD·Filed 1980·Granted Jul 12, 1983·4 cites·9 claims
- 4532US5337970APreloader for a webbing retractorTOKAI RIKA CO LTD·Filed 1991·Granted Aug 16, 1994·4 cites·12 claims
- 4632US4943010AAcceleration sensorTOKAI RIKA CO LTD·Filed 1988·Granted Jul 24, 1990·2 cites·16 claims
- 4731US8710586B2SIC semiconductor device and method for manufacturing the sameYAMAMOTO TOSHIMASA·Filed 2011·Granted Apr 29, 2014·0 cites·6 claims
- 4829US9403561B2Mounting structure of sheet metal panelVOLVO TRUCKS CORP·Filed 2013·Granted Aug 2, 2016·0 cites·1 claims
- 4928US4834208AWinding apparatusTOKAI RIKA CO LTD·Filed 1988·Granted May 30, 1989·4 cites·16 claims
- 5027US4998680AWebbing drive apparatus for a seat belt systemTOAKI RIKA DENKI SEISAKUSHO KK·Filed 1989·Granted Mar 12, 1991·3 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →