Inventor · disambiguated record
Tsuyoshi Yamamoto
Also filed as: YAMAMOTO TSUYOSHI
253 granted patents·67 pending applications·4,135 citations·filing 1981–2025
99Inventor score
Top patents by PatentIndex Score
320 records- 0198US7307313B2Semiconductor device including a vertical field effect transistor, having trenches, and a diodeHITACHI LTD·Filed 2005·Granted Dec 11, 2007·334 cites·7 claims
- 0297US6573534B1Silicon carbide semiconductor deviceDENSO CORP·Filed 1999·Granted Jun 3, 2003·285 cites·32 claims
- 0397US6426515B2Semiconductor light-emitting deviceFUJITSU LTD·Filed 2001·Granted Jul 30, 2002·105 cites·31 claims
- 0497US6057558ASilicon carbide semiconductor device and manufacturing method thereofDENSON CORP·Filed 1998·Granted May 2, 2000·266 cites·17 claims
- 0595US7321702B2Optical modulator, optical transmitter, optical modulating method and manufacturing method of the optical modulatorFUJITSU LTD·Filed 2005·Granted Jan 22, 2008·33 cites·44 claims
- 0695US5714781ASemiconductor device having a gate electrode in a grove and a diffused region under the groveNIPPON DENSO CO·Filed 1996·Granted Feb 3, 1998·157 cites·25 claims
- 0794US11358553B1Airbag and seat apparatus for vehicleAISIN CORP·Filed 2020·Granted Jun 14, 2022·5 cites·8 claims
- 0894US9705282B2Multi-wavelength laser light source and wavelength multiplexing communication systemFUJITSU LTD·Filed 2016·Granted Jul 11, 2017·9 cites·18 claims
- 0993US12021520B2Resonator, oscillator, and quantum computerNEC CORP·Filed 2020·Granted Jun 25, 2024·4 cites·10 claims
- 1093US9793684B2Laser apparatusFUJITSU LTD·Filed 2016·Granted Oct 17, 2017·8 cites·15 claims
- 1193US9178691B2Apparatus for correcting signal, transmission apparatus, method of correcting signal, and transmission systemFUJITSU LTD·Filed 2014·Granted Nov 3, 2015·16 cites·4 claims
- 1293US8018185B2Apparatus for carrying out improved control of rotary machineDENSO CORP·Filed 2009·Granted Sep 13, 2011·29 cites·19 claims
- 1393US6054752ASemiconductor deviceDENSO CORP·Filed 1998·Granted Apr 25, 2000·125 cites·32 claims
- 1492US10312663B2Tunable laser deviceFUJITSU LTD·Filed 2018·Granted Jun 4, 2019·7 cites·12 claims
- 1592US9722397B2Tunable laser and tunable laser moduleFUJITSU LTD·Filed 2015·Granted Aug 1, 2017·7 cites·3 claims
- 1692US7732821B2Silicon carbide semiconductor deviceDENSO CORP·Filed 2008·Granted Jun 8, 2010·20 cites·20 claims
- 1792US7522647B2Semiconductor laser and method of fabricating the sameFUJITSU LTD·Filed 2006·Granted Apr 21, 2009·28 cites·17 claims
- 1892US6482704B1Method of manufacturing silicon carbide semiconductor device having oxide film formed thereon with low on-resistancesDENSO CORP·Filed 2000·Granted Nov 19, 2002·77 cites·44 claims
- 1991US7824995B2SiC semiconductor device and method for manufacturing the sameDENSO CORP·Filed 2008·Granted Nov 2, 2010·21 cites·49 claims
- 2091US7330617B2Wavelength selective optical switch, and optical device provided with spectroscopic functionFUJITSU LTD·Filed 2005·Granted Feb 12, 2008·30 cites·23 claims
- 2190US6109507AMethod of forming solder bumps and method of forming preformed solder bumpsFUJITSU LTD·Filed 1998·Granted Aug 29, 2000·88 cites·8 claims
- 2289US7855384B2SIC semiconductor device and method for manufacturing the sameDENSO CORP·Filed 2007·Granted Dec 21, 2010·21 cites·14 claims
- 2388US12267042B2Oscillation apparatus, quantum computer, and control methodNEC CORP·Filed 2020·Granted Apr 1, 2025·2 cites·17 claims
- 2488US11915100B2Resonator, oscillator, and quantum computerNEC CORP·Filed 2020·Granted Feb 27, 2024·2 cites·15 claims
- 2587US11955929B2Oscillation apparatus, quantum computer, and control methodNEC CORP·Filed 2020·Granted Apr 9, 2024·2 cites·14 claims
- 2687US9515067B2Semiconductor device having switching element and free wheel diode and method for controlling the sameDENSO CORP·Filed 2014·Granted Dec 6, 2016·9 cites·38 claims
- 2787US8022414B2Silicon carbide semiconductor device, and method of manufacturing the sameDENSO CORP·Filed 2008·Granted Sep 20, 2011·15 cites·2 claims
- 2887US7789345B2Actuator control apparatusNABTESCO CORP·Filed 2005·Granted Sep 7, 2010·17 cites·4 claims
- 2987US5675717AImage processing apparatus and method for previewing a color image generated by a color printer and displayed at a host computerCANON KK·Filed 1995·Granted Oct 7, 1997·93 cites·16 claims
- 3087US5619601AOptical switch and optical distributor using polarization control and partial reflectionFUJITSU LTD·Filed 1994·Granted Apr 8, 1997·89 cites·21 claims
- 3186US8906721B2Semiconductor light emitting device and method for manufacturing the sameFUJITSU LTD·Filed 2013·Granted Dec 9, 2014·4 cites·3 claims
- 3286US6262439B1Silicon carbide semiconductor deviceDENSO CORP·Filed 1998·Granted Jul 17, 2001·67 cites·27 claims
- 3385US9698570B2Optical semiconductor element and method of manufacturing the sameFUJITSU LTD·Filed 2016·Granted Jul 4, 2017·4 cites·13 claims
- 3485US7986117B2Apparatus for carrying out improved control of rotary machineDENSO CORP·Filed 2009·Granted Jul 26, 2011·18 cites·18 claims
- 3585US7070415B2Balance training deviceMATSUSHITA ELECTRIC WORKS LTD·Filed 2001·Granted Jul 4, 2006·60 cites·14 claims
- 3684US7738794B2Optical transmitterFUJITSU LTD·Filed 2006·Granted Jun 15, 2010·12 cites·8 claims
- 3784US6015737AProduction method of a vertical type MOSFETDENSO CORP·Filed 1995·Granted Jan 18, 2000·62 cites·27 claims
- 3883US7991986B2Microprocessor starting to execute a computer program at a predetermined intervalDENSO CORP·Filed 2007·Granted Aug 2, 2011·13 cites·24 claims
- 3983US5648859ALiquid crystal microprism array, free-space optical interconnector, and optical switchNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Jul 15, 1997·66 cites·19 claims
- 4082US8325393B2Apparatus and method for reading color chart and computer-readable storage mediumYAMAMOTO TSUYOSHI·Filed 2009·Granted Dec 4, 2012·6 cites·11 claims
- 4182US7738523B2Optical semiconductor device having diffraction gratingFUJITSU LTD·Filed 2007·Granted Jun 15, 2010·7 cites·19 claims
- 4282US6429976B1Optical switch using tilt mirrorsFUJITSU LTD·Filed 2001·Granted Aug 6, 2002·25 cites·11 claims
- 4382US5960162AImage processing apparatus which converts multi-value density data and outputs the converted dataCANON KK·Filed 1997·Granted Sep 28, 1999·61 cites·11 claims
- 4481US9312519B2Organic light emitting element, organic el display panel, organic el display device, coated device, and method for manufacturing thesePANASONIC CORP·Filed 2012·Granted Apr 12, 2016·4 cites·16 claims
- 4581US7763504B2Method for manufacturing silicon carbide semiconductor deviceDENSO CORP·Filed 2008·Granted Jul 27, 2010·8 cites·21 claims
- 4681US7728992B2Data processing apparatus, print control method, computer-readable storage medium, and program stored thereinCANON KK·Filed 2004·Granted Jun 1, 2010·36 cites·9 claims
- 4781US6245442B1Metal matrix composite casting and manufacturing method thereofDENSO CORP·Filed 1998·Granted Jun 12, 2001·68 cites·4 claims
- 4881US6081632AMethod of producing optical waveguide system, optical device and optical coupler employing the same, optical network and optical circuit boardFUJITSU LTD·Filed 1997·Granted Jun 27, 2000·141 cites·25 claims
- 4981US5780324AMethod of manufacturing a vertical semiconductor deviceDENSO CORP·Filed 1996·Granted Jul 14, 1998·53 cites·12 claims
- 5080US6855981B2Silicon carbide power device having protective diodeDENSO CORP·Filed 2002·Granted Feb 15, 2005·27 cites·20 claims
Showing the top 50 of 320 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →