Inventor
MATSUKURA YUSUKE
JP33 patents
⚠️ This page may combine multiple inventors who share the name “MATSUKURA YUSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIKKISO CO LTD
15 patentsUS11367807B2Jun 21, 2022
Nitride semiconductor light-emitting element
NIKKISO CO LTD27 citations93
US11444222B2Sep 13, 2022
Nitride semiconductor light-emitting element and production method for nitride semiconductor light-emitting element
NIKKISO CO LTD4 citations72
US11404603B2Aug 2, 2022
Nitride semiconductor light-emitting element
NIKKISO CO LTD2 citations72
US11322654B2May 3, 2022
Nitride semiconductor light-emitting element
NIKKISO CO LTD2 citations72
US11227974B2Jan 18, 2022
Nitride semiconductor light-emitting element and production method for nitride semiconductor light-emitting element
NIKKISO CO LTD4 citations72
US10944026B2Mar 9, 2021
Semiconductor light emitting device and method of manufacturing semiconductor light emitting device
NIKKISO CO LTD4 citations72
US12009457B2Jun 11, 2024
Nitride semiconductor light-emitting element
NIKKISO CO LTD0 citations62
US11476391B2Oct 18, 2022
Nitride semiconductor light-emitting element
NIKKISO CO LTD1 citations62
US11616167B2Mar 28, 2023
Nitride semiconductor light-emitting element and method for manufacturing nitride semiconductor light-emitting element
NIKKISO CO LTD1 citations61
US12389716B2Aug 12, 2025
Nitride semiconductor light-emitting element
NIKKISO CO LTD0 citations51
US12349513B2Jul 1, 2025
Nitride semiconductor light-emitting element and method for manufacturing nitride semiconductor light-emitting element
NIKKISO CO LTD0 citations51
US12057525B2Aug 6, 2024
Nitride semiconductor light-emitting element and method for manufacturing nitride semiconductor light-emitting element
NIKKISO CO LTD0 citations51
US11799051B2Oct 24, 2023
Nitride semiconductor light-emitting element and method for manufacturing nitride semiconductor light-emitting element
NIKKISO CO LTD0 citations51
US12446357B2Oct 14, 2025
Method for manufacturing nitride semiconductor light-emitting element
NIKKISO CO LTD0 citations44
US12484342B2Nov 25, 2025
Nitride semiconductor light-emitting element and method for manufacturing nitride semiconductor light-emitting element
NIKKISO CO LTD0 citations43
NGK SPARK PLUG CO
9 patentsUS10983085B2Apr 20, 2021
Gas sensor
NGK SPARK PLUG CO2 citations73
US10859523B2Dec 8, 2020
Gas sensor
NGK SPARK PLUG CO2 citations73
US9829455B2Nov 28, 2017
Gas detector
NGK SPARK PLUG CO3 citations73
US11143614B2Oct 12, 2021
Gas sensor
NGK SPARK PLUG CO0 citations52
US11428655B2Aug 30, 2022
Gas sensor
NGK SPARK PLUG CO0 citations51
US9709517B2Jul 18, 2017
Gas detector
NGK SPARK PLUG CO0 citations51
US10024813B2Jul 17, 2018
Gas detection apparatus
NGK SPARK PLUG CO0 citations41
US9606075B2Mar 28, 2017
Gas detector and program
NGK SPARK PLUG CO0 citations41
US9279795B2Mar 8, 2016
Combustible gas detecting device
NGK SPARK PLUG CO0 citations41
FUJITSU LTD
7 patentsUS5818078AOct 6, 1998
Semiconductor device having a regrowth crystal region
FUJITSU LTD20 citations92
US7473922B2Jan 6, 2009
Infrared detector
FUJITSU LTD32 citations90
US6504222B1Jan 7, 2003
Multi-quantum well infrared photo-detector
FUJITSU LTD11 citations73
US6437414B1Aug 20, 2002
Optical semiconductor device and method for fabricating the same
FUJITSU LTD7 citations73
US7399988B2Jul 15, 2008
Photodetecting device and method of manufacturing the same
FUJITSU LTD5 citations62
US9967484B2May 8, 2018
Infrared detection apparatus
FUJITSU LTD0 citations52
US8368045B2Feb 5, 2013
Infrared photodetector
FUJITSU LTD1 citations52