Inventor
NISHIO JOHJI
JP78 patents
⚠️ This page may combine multiple inventors who share the name “NISHIO JOHJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
46 patentsUS6303405B1Oct 16, 2001
Semiconductor light emitting element, and its manufacturing method
TOSHIBA KK427 citations99
US5786606AJul 28, 1998
Semiconductor light-emitting device
TOSHIBA KK242 citations99
US5998810ADec 7, 1999
Semiconductor light-emitting diode having a p-type semiconductor layer formed on a light-emitting layer
TOSHIBA KK100 citations98
US5932896AAug 3, 1999
Nitride system semiconductor device with oxygen
TOSHIBA KK111 citations98
US6204084B1Mar 20, 2001
Nitride system semiconductor device and method for manufacturing the same
TOSHIBA KK50 citations96
US6147364ANov 14, 2000
Compound semiconductor device formed of nitrogen-containing gallium compound such as gan, algan or ingan
TOSHIBA KK68 citations96
US6121634ASep 19, 2000
Nitride semiconductor light emitting device and its manufacturing method
TOSHIBA KK72 citations96
US6118801ASep 12, 2000
Gallium nitride-based compound semiconductor laser and method of manufacturing the same
TOSHIBA KK51 citations96
US5987048ANov 16, 1999
Gallium nitride-based compound semiconductor laser and method of manufacturing the same
TOSHIBA KK76 citations96
US5903017AMay 11, 1999
Compound semiconductor device formed of nitrogen-containing gallium compound such as GaN, AlGaN or InGaN
TOSHIBA KK75 citations96
US5740192AApr 14, 1998
Semiconductor laser
TOSHIBA KK93 citations96
US6359919B1Mar 19, 2002
Gallium nitride-based compound semiconductor laser and method of manufacturing the same
TOSHIBA KK35 citations93
US5041186AAug 20, 1991
Method for manufacturing compound semiconductor single crystals using a hydrogen monitor gas
TOSHIBA KK32 citations93
US7977210B2Jul 12, 2011
Semiconductor substrate and semiconductor device
TOSHIBA KK16 citations84
US7777292B2Aug 17, 2010
Semiconductor device
TOSHIBA KK12 citations84
US7508045B2Mar 24, 2009
SiC Schottky barrier semiconductor device
TOSHIBA KK8 citations84
US5471945ADec 5, 1995
Method and apparatus for forming a semiconductor boule
TOSHIBA KK8 citations74
US5400742AMar 28, 1995
Method of manufacturing compound semiconductor and apparatus
TOSHIBA KK5 citations74
US11621167B2Apr 4, 2023
Semiconductor device, method for manufacturing semiconductor device, inverter circuit, drive device, vehicle, and elevator
TOSHIBA KK1 citations73
US11469301B2Oct 11, 2022
Semiconductor device, semiconductor device manufacturing method, inverter circuit, driver device, vehicle, and elevator
TOSHIBA KK4 citations73
US11239079B2Feb 1, 2022
Semiconductor device, method for manufacturing semiconductor device, inverter circuit, drive device, vehicle, and elevator
TOSHIBA KK2 citations73
US9941361B2Apr 10, 2018
Method for fabricating semiconductor substrate, semiconductor substrate, and semiconductor device
TOSHIBA KK5 citations73
US9559172B2Jan 31, 2017
Semiconductor device and method of manufacturing the same
TOSHIBA KK2 citations73
US5030315AJul 9, 1991
Methods of manufacturing compound semiconductor crystals and apparatus for the same
TOSHIBA KK12 citations73
US5415125AMay 16, 1995
Method of forming a semiconductor boule
TOSHIBA KK11 citations66
US11450745B2Sep 20, 2022
Semiconductor device and method for manufacturing the same
TOSHIBA KK0 citations63
US10930732B2Feb 23, 2021
Semiconductor device including a silicon carbide layer
TOSHIBA KK0 citations63
US9373686B2Jun 21, 2016
Semiconductor device and method for manufacturing same and semiconductor substrate
TOSHIBA KK2 citations63
US9324787B2Apr 26, 2016
Semiconductor device
TOSHIBA KK2 citations63
US9184229B2Nov 10, 2015
Semiconductor device and method for manufacturing same
TOSHIBA KK3 citations63
US9093362B2Jul 28, 2015
Semiconductor device and method of manufacturing the same
TOSHIBA KK2 citations63
US8933464B2Jan 13, 2015
SiC epitaxial wafer and semiconductor device
TOSHIBA KK3 citations63
US8012837B2Sep 6, 2011
Method of manufacturing semiconductor device
TOSHIBA KK4 citations63
US7947988B2May 24, 2011
Semiconductor device and method of manufacturing the same
TOSHIBA KK3 citations63
US12148799B2Nov 19, 2024
Semiconductor device, method for manufacturing semiconductor device, inverter circuit, drive device, vehicle, and elevator
TOSHIBA KK0 citations62
US11848211B2Dec 19, 2023
Semiconductor device, method for manufacturing semiconductor device, inverter circuit, drive device, vehicle, and elevator
TOSHIBA KK0 citations62
US11764270B2Sep 19, 2023
Semiconductor device, method for manufacturing semiconductor device, inverter circuit, drive device, vehicle, and elevator
TOSHIBA KK0 citations62
US11764269B2Sep 19, 2023
Semiconductor device, semiconductor device manufacturing method, inverter circuit, driver device, vehicle, and elevator
TOSHIBA KK0 citations62
US11443946B2Sep 13, 2022
Method for manufacturing silicon carbide base body, method for manufacturing semiconductor device, silicon carbide base body, and semiconductor device
TOSHIBA KK0 citations62
US11245017B2Feb 8, 2022
Semiconductor device, inverter circuit, drive device, vehicle, and elevator
TOSHIBA KK1 citations62
US11152470B2Oct 19, 2021
Method for manufacturing semiconductor device, method for manufacturing substrate, semiconductor device, substrate, and manufacturing apparatus of substrate
TOSHIBA KK1 citations62
US12406844B2Sep 2, 2025
Wafer having a silicon carbide crystal layer with stacking faults provided on a silicon carbide base body and semiconductor device manufactured using the wafer
TOSHIBA KK0 citations52
US11973116B2Apr 30, 2024
Semiconductor device
TOSHIBA KK0 citations52
US11764059B2Sep 19, 2023
Method for manufacturing substrate, method for manufacturing semiconductor device, substrate, and semiconductor device
TOSHIBA KK0 citations52
US11563090B2Jan 24, 2023
Semiconductor device
TOSHIBA KK0 citations52
US11424326B2Aug 23, 2022
Semiconductor device
TOSHIBA KK0 citations52
KABSUHIKI KAISHA TOSHIBA
1 patentMIZUKAMI MAKOTO
1 patentNISHIO JOHJI
1 patentOTA CHIHARU
1 patentShowing the top 50 of 78 patents by PatentIndex Score.