Inventor
OKA YUTA
JP31 patents
⚠️ This page may combine multiple inventors who share the name “OKA YUTA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NICHIA CORP
30 patentsUS9842970B2Dec 12, 2017
Light emitting device
NICHIA CORP5 citations84
USD727273SApr 21, 2015
Light emitting diode
NICHIA CORP14 citations82
US10109615B2Oct 23, 2018
Light emitting device
NICHIA CORP4 citations72
US9397270B2Jul 19, 2016
Semiconductor light emitting device and method of manufacturing the same
NICHIA CORP3 citations72
US11152546B2Oct 19, 2021
Light-emitting device
NICHIA CORP2 citations69
US12523353B2Jan 13, 2026
Light source device
NICHIA CORP0 citations62
US12264816B2Apr 1, 2025
Light source device
NICHIA CORP0 citations62
US11946637B2Apr 2, 2024
Light source device
NICHIA CORP0 citations62
USD729751SMay 19, 2015
Light emitting diode
NICHIA CORP3 citations61
US12295189B2May 6, 2025
Light-emitting device
NICHIA CORP0 citations59
US11710810B2Jul 25, 2023
Light-emitting device
NICHIA CORP0 citations59
US11682662B2Jun 20, 2023
Method of manufacturing light-emitting element
NICHIA CORP0 citations59
US10615315B2Apr 7, 2020
Light emitting device
NICHIA CORP0 citations52
US10347797B2Jul 9, 2019
Light emitting device
NICHIA CORP0 citations52
US9385288B2Jul 5, 2016
Light-emitting device
NICHIA CORP0 citations52
US10580760B2Mar 3, 2020
Light emitting device
NICHIA CORP0 citations51
US10262979B2Apr 16, 2019
Light emitting device
NICHIA CORP0 citations51
US10038126B2Jul 31, 2018
Light-emitting device and power supply connector for light-emitting device
NICHIA CORP0 citations51
US9865781B2Jan 9, 2018
Method for manufacturing light emitting device comprising lens with tapered profile
NICHIA CORP1 citations51
US9620689B2Apr 11, 2017
Semiconductor light emitting device and method of manufacturing the same
NICHIA CORP0 citations51
USD747817SJan 19, 2016
Light emitting diode
NICHIA CORP1 citations51
US9484514B2Nov 1, 2016
Light-emitting device
NICHIA CORP0 citations50
US10497686B2Dec 3, 2019
Method of manufacturing light-emitting element
NICHIA CORP0 citations48
US10629783B2Apr 21, 2020
Light emitting device
NICHIA CORP0 citations41
US10461235B2Oct 29, 2019
Method of manufacturing semiconductor device
NICHIA CORP0 citations41
US10153413B2Dec 11, 2018
Light-emitting device
NICHIA CORP0 citations41
US10096753B2Oct 9, 2018
Light emitting device
NICHIA CORP0 citations41
US9831402B2Nov 28, 2017
Light emitting device
NICHIA CORP0 citations41
US9768228B2Sep 19, 2017
Semiconductor device and method for manufacturing the same
NICHIA CORP0 citations41
US9660162B2May 23, 2017
Illumination device
NICHIA CORP0 citations41