Inventor · disambiguated record
Masashi Kawasaki
Also filed as: KAWASAKI MASASHI
44 granted patents·25 pending applications·14,237 citations·filing 1988–2019
98Inventor score
Top patents by PatentIndex Score
69 records- 0198US7064346B2Transistor and semiconductor deviceJAPAN SCIENCE & TECH AGENCY·Filed 2004·Granted Jun 20, 2006·4.2k cites·24 claims
- 0298US6727522B1Transistor and semiconductor deviceJAPAN SCIENCE & TECH CORP·Filed 1999·Granted Apr 27, 2004·4.4k cites·44 claims
- 0398US6563174B2Thin film transistor and matrix display deviceSHARP KK·Filed 2002·Granted May 13, 2003·4.3k cites·24 claims
- 0498US6344084B1Combinatorial molecular layer epitaxy deviceJAPAN SCIENCE & TECH CORP·Filed 1999·Granted Feb 5, 2002·526 cites·30 claims
- 0597US8093589B2Semiconductor device with an active layer containing zinc oxide, manufacturing method, and electronic deviceSUGIHARA TOSHINORI·Filed 2004·Granted Jan 10, 2012·156 cites·31 claims
- 0694US6878962B1Semiconductor deviceJAPAN SCIENCE & TECH CORP·Filed 2000·Granted Apr 12, 2005·98 cites·13 claims
- 0791US7205640B2Semiconductor device and display comprising sameSHARP KK·Filed 2003·Granted Apr 17, 2007·64 cites·13 claims
- 0890US6057561AOptical semiconductor elementJAPAN SCIENCE & TECH CORP·Filed 1998·Granted May 2, 2000·168 cites·22 claims
- 0988US6459763B1Combinatorial X-ray diffractorJAPAN SCIENCE & TECH CORP·Filed 2000·Granted Oct 1, 2002·37 cites·16 claims
- 1086US8228059B2Ferrite material having composition gradient for measuring magneto-optical-effect properties and method for evaluating properties of ferriteIWASAKI YOSUKE·Filed 2010·Granted Jul 24, 2012·15 cites·6 claims
- 1186US7580276B2Nonvolatile memory elementNAT INST OF ADVANCED IND SCIEN·Filed 2006·Granted Aug 25, 2009·19 cites·15 claims
- 1285US8173487B2Semiconductor element, method for manufacturing same, and electronic device including sameURAYAMA MASAO·Filed 2008·Granted May 8, 2012·17 cites·2 claims
- 1385US5455451ASuperconductized semiconductor device using penetrating Cooper pairsHITACHI LTD·Filed 1993·Granted Oct 3, 1995·46 cites·37 claims
- 1481US7741637B2ZnO-based semiconductor deviceROHM CO LTD·Filed 2007·Granted Jun 22, 2010·8 cites·4 claims
- 1578US5569502AFilm formation apparatus and method for forming a filmSEMICONDUCTOR ENERGY LAB·Filed 1993·Granted Oct 29, 1996·41 cites·20 claims
- 1677US9748000B2Magnetic element, skyrmion memory, solid-state electronic device data recording apparatus, data processing apparatus, and communication apparatusRIKEN·Filed 2016·Granted Aug 29, 2017·4 cites·20 claims
- 1773US7084624B2Magnetic sensorJAPAN SCIENCE & TECH AGENCY·Filed 2003·Granted Aug 1, 2006·9 cites·19 claims
- 1872US10141068B2Magnetic element, skyrmion memory, skyrmion memory-device, solid-state electronic device, data-storage device, data processing and communication deviceRIKEN·Filed 2017·Granted Nov 27, 2018·3 cites·19 claims
- 1969US8247793B2ZnO-based thin film and ZnO-based semiconductor elementNAKAHARA KEN·Filed 2008·Granted Aug 21, 2012·3 cites·8 claims
- 2069US6888156B2Thin film deviceFUJI ELECTRIC RES·Filed 2002·Granted May 3, 2005·12 cites·4 claims
- 2168US7116027B2Magnet for a dynamo-electric machineYAMAHA MOTOR CO LTD·Filed 2005·Granted Oct 3, 2006·5 cites·6 claims
- 2268US4933300AProcess for forming multilayer thin filmKOINUMA HIDEOMI·Filed 1988·Granted Jun 12, 1990·41 cites·22 claims
- 2367US7485937B2Tunnel junction deviceNAT INST OF ADVANCED IND SCIEN·Filed 2005·Granted Feb 3, 2009·4 cites·10 claims
- 2465US9859017B2Magnetic element, skyrmion memory, skyrmion memory-device, solid-state electronic device, data-storage device, data processing and communication deviceRIKEN·Filed 2017·Granted Jan 2, 2018·2 cites·20 claims
- 2561US6929695B2Method for preparing single crystal oxide thin filmJAPAN SCIENCE & TECH AGENCY·Filed 2001·Granted Aug 16, 2005·4 cites·8 claims
- 2658US7932505B2Perovskite transition metal oxide nonvolatile memory elementNAT INST OF ADVANCED IND SCIEN·Filed 2006·Granted Apr 26, 2011·4 cites·7 claims
- 2756US6812483B2Optical semiconductor element utilizing optical transition between ZnO heterostructure sub-bandsJAPAN SCIENCE & TECH AGENCY·Filed 2002·Granted Nov 2, 2004·8 cites·8 claims
- 2854US8759828B2ZnO-based semiconductor device and manufacturing method thereofAKASAKA SHUNSUKE·Filed 2012·Granted Jun 24, 2014·1 cites·19 claims
- 2954US2008187776A1Multilayer substrateROHM CO LTD·Filed 2008·Application pending·0 cites
- 3053US12362085B2Inductor element and apparatus including sameRIKEN·Filed 2019·Granted Jul 15, 2025·0 cites·5 claims
- 3152US6036214ABicycle with antitheft deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Mar 14, 2000·23 cites·9 claims
- 3250US11056597B2Photoelectric conversion device, photosensor, power generation device, and photoelectric conversion methodRIKEN·Filed 2018·Granted Jul 6, 2021·0 cites·14 claims
- 3349US2010308327A1ZnO-BASED SUBSTRATE, METHOD FOR PROCESSING ZnO-BASED SUBSTRATE, AND ZnO-BASED SEMICONDUCTOR DEVICENAKAHARA KEN·Filed 2009·Application pending·0 cites
- 3448US4902671AManufacturing method of conductive or superconductive thin filmKAWATETSU MINING·Filed 1988·Granted Feb 20, 1990·13 cites·5 claims
- 3548US2012132908A1Semiconductor device, manufacturing method thereof, and electronic deviceSUGIHARA TOSHINORI·Filed 2012·Application pending·0 cites
- 3647US8410478B2p-Type MgZnO-based thin film and semiconductor light emitting deviceNAKAHARA KEN·Filed 2008·Granted Apr 2, 2013·0 cites·16 claims
- 3747US2008245297A1Material supply apparatusROHM CO LTD·Filed 2008·Application pending·0 cites
- 3847US2010133470A1ZnO-BASED SUBSTRATE AND METHOD OF TREATING ZnO-BASED SUBSTRATEROHM CO LTD·Filed 2008·Application pending·0 cites
- 3947US2011175090A1Semiconductor device, manufacturing method thereof, and electronic deviceSHARP KK·Filed 2011·Application pending·0 cites
- 4046US2009080123A1Magnetoresistance effect element and magnetoresistive deviceUEHARA YUJI·Filed 2008·Application pending·0 cites
- 4145US6617539B1Laser heating apparatusJAPAN SCIENCE AND TECHNOLOGY K·Filed 1999·Granted Sep 9, 2003·13 cites·5 claims
- 4245US2010183045A1Substrate temperature measuring apparatus and substrate temperature measuring methodROHM CO LTD·Filed 2008·Application pending·0 cites
- 4345US2010237343A1ZnO-BASED THIN FILM AND SEMICONDUCTOR DEVICEROHM CO LTD·Filed 2008·Application pending·0 cites
- 4445US2011114938A1ZnO SEMICONDUCTOR ELEMENTROHM CO LTD·Filed 2009·Application pending·0 cites
- 4545US2009146541A1Infrared reflector and heating device having the sameROHM CO LTD·Filed 2008·Application pending·0 cites
- 4645US2011037067A1Zno-group semiconductor elementNAKAHARA KEN·Filed 2008·Application pending·0 cites
- 4744US2012181531A1Semiconductor element and manufacturing method of the sameNAKAHARA KEN·Filed 2008·Application pending·0 cites
- 4844US2010040534A1Radical generating apparatus and zno-based thin filmROHM CO LTD·Filed 2008·Application pending·0 cites
- 4944US2010090214A1Oxide thin film and oxide thin film deviceROHM CO LTD·Filed 2008·Application pending·0 cites
- 5044US2010323160A1ZnO-BASED THIN FILMROHM CO LTD·Filed 2008·Application pending·0 cites
Showing the top 50 of 69 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →