Inventor · disambiguated record
Johji Nishio
Also filed as: NISHIO JOHJI
78 granted patents·16 pending applications·1,693 citations·filing 1986–2025
99Inventor score
Top patents by PatentIndex Score
94 records- 0198US6303405B1Semiconductor light emitting element, and its manufacturing methodTOSHIBA KK·Filed 1999·Granted Oct 16, 2001·427 cites·26 claims
- 0297US11469301B2Semiconductor device, semiconductor device manufacturing method, inverter circuit, driver device, vehicle, and elevatorTOSHIBA KK·Filed 2021·Granted Oct 11, 2022·4 cites·9 claims
- 0396US6627552B1Method for preparing epitaxial-substrate and method for manufacturing semiconductor device employing the sameKABSUHIKI KAISHA TOSHIBA·Filed 2001·Granted Sep 30, 2003·134 cites·24 claims
- 0495US5786606ASemiconductor light-emitting deviceTOSHIBA KK·Filed 1996·Granted Jul 28, 1998·242 cites·10 claims
- 0594US5998810ASemiconductor light-emitting diode having a p-type semiconductor layer formed on a light-emitting layerTOSHIBA KK·Filed 1997·Granted Dec 7, 1999·100 cites·8 claims
- 0693US6359919B1Gallium nitride-based compound semiconductor laser and method of manufacturing the sameTOSHIBA KK·Filed 2000·Granted Mar 19, 2002·35 cites·22 claims
- 0793US5740192ASemiconductor laserTOSHIBA KK·Filed 1996·Granted Apr 14, 1998·93 cites·22 claims
- 0892US11239079B2Semiconductor device, method for manufacturing semiconductor device, inverter circuit, drive device, vehicle, and elevatorTOSHIBA KK·Filed 2020·Granted Feb 1, 2022·2 cites·9 claims
- 0992US5987048AGallium nitride-based compound semiconductor laser and method of manufacturing the sameTOSHIBA KK·Filed 1997·Granted Nov 16, 1999·76 cites·10 claims
- 1090US11621167B2Semiconductor device, method for manufacturing semiconductor device, inverter circuit, drive device, vehicle, and elevatorTOSHIBA KK·Filed 2022·Granted Apr 4, 2023·1 cites·5 claims
- 1189US9941361B2Method for fabricating semiconductor substrate, semiconductor substrate, and semiconductor deviceTOSHIBA KK·Filed 2015·Granted Apr 10, 2018·5 cites·8 claims
- 1289US7977210B2Semiconductor substrate and semiconductor deviceTOSHIBA KK·Filed 2008·Granted Jul 12, 2011·16 cites·12 claims
- 1388US5932896ANitride system semiconductor device with oxygenTOSHIBA KK·Filed 1997·Granted Aug 3, 1999·111 cites·16 claims
- 1487US5041186AMethod for manufacturing compound semiconductor single crystals using a hydrogen monitor gasTOSHIBA KK·Filed 1988·Granted Aug 20, 1991·32 cites·15 claims
- 1586US6118801AGallium nitride-based compound semiconductor laser and method of manufacturing the sameTOSHIBA KK·Filed 1999·Granted Sep 12, 2000·51 cites·22 claims
- 1685US8227811B2Semiconductor rectifying deviceMIZUKAMI MAKOTO·Filed 2011·Granted Jul 24, 2012·8 cites·20 claims
- 1785US7777292B2Semiconductor deviceTOSHIBA KK·Filed 2007·Granted Aug 17, 2010·12 cites·18 claims
- 1882US5903017ACompound semiconductor device formed of nitrogen-containing gallium compound such as GaN, AlGaN or InGaNTOSHIBA KK·Filed 1997·Granted May 11, 1999·75 cites·11 claims
- 1981US6147364ACompound semiconductor device formed of nitrogen-containing gallium compound such as gan, algan or inganTOSHIBA KK·Filed 1998·Granted Nov 14, 2000·68 cites·10 claims
- 2080US11848211B2Semiconductor device, method for manufacturing semiconductor device, inverter circuit, drive device, vehicle, and elevatorTOSHIBA KK·Filed 2023·Granted Dec 19, 2023·0 cites·18 claims
- 2180US7508045B2SiC Schottky barrier semiconductor deviceTOSHIBA KK·Filed 2007·Granted Mar 24, 2009·8 cites·19 claims
- 2279US11245017B2Semiconductor device, inverter circuit, drive device, vehicle, and elevatorTOSHIBA KK·Filed 2020·Granted Feb 8, 2022·1 cites·18 claims
- 2379US8012837B2Method of manufacturing semiconductor deviceTOSHIBA KK·Filed 2010·Granted Sep 6, 2011·4 cites·8 claims
- 2478US6121634ANitride semiconductor light emitting device and its manufacturing methodTOSHIBA KK·Filed 1998·Granted Sep 19, 2000·72 cites·17 claims
- 2577US12148799B2Semiconductor device, method for manufacturing semiconductor device, inverter circuit, drive device, vehicle, and elevatorTOSHIBA KK·Filed 2023·Granted Nov 19, 2024·0 cites·8 claims
- 2677US9184229B2Semiconductor device and method for manufacturing sameTOSHIBA KK·Filed 2013·Granted Nov 10, 2015·3 cites·15 claims
- 2777US8933464B2SiC epitaxial wafer and semiconductor deviceTOSHIBA KK·Filed 2014·Granted Jan 13, 2015·3 cites·20 claims
- 2875US11764269B2Semiconductor device, semiconductor device manufacturing method, inverter circuit, driver device, vehicle, and elevatorTOSHIBA KK·Filed 2022·Granted Sep 19, 2023·0 cites·11 claims
- 2975US6204084B1Nitride system semiconductor device and method for manufacturing the sameTOSHIBA KK·Filed 1999·Granted Mar 20, 2001·50 cites·12 claims
- 3074US11152470B2Method for manufacturing semiconductor device, method for manufacturing substrate, semiconductor device, substrate, and manufacturing apparatus of substrateTOSHIBA KK·Filed 2019·Granted Oct 19, 2021·1 cites·12 claims
- 3173US8679957B2Method of manufacturing semiconductor deviceNISHIO JOHJI·Filed 2012·Granted Mar 25, 2014·3 cites·8 claims
- 3272US9373686B2Semiconductor device and method for manufacturing same and semiconductor substrateTOSHIBA KK·Filed 2014·Granted Jun 21, 2016·2 cites·16 claims
- 3371US9559172B2Semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2014·Granted Jan 31, 2017·2 cites·18 claims
- 3471US9093362B2Semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2014·Granted Jul 28, 2015·2 cites·15 claims
- 3569US9412823B2Semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2015·Granted Aug 9, 2016·1 cites·5 claims
- 3668US9653553B2Semiconductor substrate, semiconductor device and method of manufacturing semiconductor deviceTOSHIBA KK·Filed 2016·Granted May 16, 2017·1 cites·11 claims
- 3768US9324787B2Semiconductor deviceTOSHIBA KK·Filed 2014·Granted Apr 26, 2016·2 cites·19 claims
- 3868US8823148B2Diode with epitaxially grown semiconductor layersOTA CHIHARU·Filed 2011·Granted Sep 2, 2014·2 cites·9 claims
- 3966US11764270B2Semiconductor device, method for manufacturing semiconductor device, inverter circuit, drive device, vehicle, and elevatorTOSHIBA KK·Filed 2020·Granted Sep 19, 2023·0 cites·15 claims
- 4066US9716186B2Semiconductor device manufacturing method, and semiconductor deviceTOSHIBA KK·Filed 2015·Granted Jul 25, 2017·1 cites·12 claims
- 4166US7947988B2Semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2008·Granted May 24, 2011·3 cites·17 claims
- 4265US11450745B2Semiconductor device and method for manufacturing the sameTOSHIBA KK·Filed 2020·Granted Sep 20, 2022·0 cites·12 claims
- 4364US9012923B2Semiconductor deviceTOSHIBA KK·Filed 2014·Granted Apr 21, 2015·1 cites·10 claims
- 4463US10707306B2Semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2019·Granted Jul 7, 2020·0 cites·12 claims
- 4562US9064780B2Semiconductor deviceTOSHIBA KK·Filed 2013·Granted Jun 23, 2015·1 cites·20 claims
- 4662US8835288B2Method of manufacturing silicon carbide semiconductor deviceNISHIO JOHJI·Filed 2012·Granted Sep 16, 2014·1 cites·23 claims
- 4761US10930732B2Semiconductor device including a silicon carbide layerTOSHIBA KK·Filed 2020·Granted Feb 23, 2021·0 cites·31 claims
- 4861US9111844B2Semiconductor device having silicon carbide epitaxial layers and method of manufacturing the sameTOSHIBA KK·Filed 2014·Granted Aug 18, 2015·1 cites·11 claims
- 4961US2025089322A1Wafer and method for manufacturing the sameTOSHIBA KK·Filed 2024·Application pending·0 cites
- 5059US2024266400A1Semiconductor device and method for manufacturing the sameTOSHIBA KK·Filed 2023·Application pending·0 cites
Showing the top 50 of 94 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →