P

Inventor

EMURA KEIJI

JP53 patents
⚠️ This page may combine multiple inventors who share the name “EMURA KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NICHIA CORP

46 patents
US9882093B2Jan 30, 2018

Light emitting element

NICHIA CORP10 citations92
US9577152B2Feb 21, 2017

Light emitting element

NICHIA CORP19 citations92
US7982236B2Jul 19, 2011

Semiconductor light emitting element

NICHIA CORP25 citations92
US11287105B2Mar 29, 2022

Light emitting module and planar light source

NICHIA CORP7 citations86
US10593840B2Mar 17, 2020

Light emitting element

NICHIA CORP6 citations84
US10276751B2Apr 30, 2019

Light emitting element

NICHIA CORP6 citations84
US9472724B2Oct 18, 2016

Semiconductor light emitting element

NICHIA CORP9 citations84
USD674356SJan 15, 2013

Light emitting diode chip

NICHIA CORP13 citations84
US12068437B2Aug 20, 2024

Light emitting element

NICHIA CORP2 citations73
US11817529B2Nov 14, 2023

Light emitting element

NICHIA CORP2 citations73
US11520098B2Dec 6, 2022

Light emitting module and planar light source

NICHIA CORP2 citations73
US11112555B2Sep 7, 2021

Light-emitting module with a plurality of light guide plates and a gap therein

NICHIA CORP2 citations73
US11063183B2Jul 13, 2021

Light emitting element

NICHIA CORP2 citations72
US9608170B2Mar 28, 2017

Method of manufacturing light emitting element

NICHIA CORP2 citations72
US9929316B2Mar 27, 2018

Light emitting element

NICHIA CORP4 citations71
US9041039B2May 26, 2015

Semiconductor light emitting element

NICHIA CORP5 citations67
US11892670B2Feb 6, 2024

Light emitting module and planar light source

NICHIA CORP0 citations63
US11841135B2Dec 12, 2023

Light emitting module and planar light source

NICHIA CORP0 citations63
US11740401B2Aug 29, 2023

Method of manufacturing light emitting module

NICHIA CORP1 citations63
US11393954B2Jul 19, 2022

Light emitting element and light emitting device

NICHIA CORP0 citations63
US10923632B2Feb 16, 2021

Light emitting element and light emitting device

NICHIA CORP1 citations63
US10644203B2May 5, 2020

Light emitting element and light emitting device

NICHIA CORP1 citations63
USRE50614ESep 30, 2025

Semiconductor light emitting element

NICHIA CORP0 citations62
US12414410B2Sep 9, 2025

Light emitting element

NICHIA CORP0 citations62
US12117691B2Oct 15, 2024

Method of producing light-emitting device and planar light source

NICHIA CORP0 citations62
US11808968B2Nov 7, 2023

Planar light source

NICHIA CORP0 citations62
US11703714B2Jul 18, 2023

Light-emitting module, surface light source, and liquid-crystal display device

NICHIA CORP0 citations62
USRE49406EJan 31, 2023

Semiconductor light emitting element

NICHIA CORP0 citations62
US11506932B2Nov 22, 2022

Light-emitting module, surface light source, and liquid-crystal display device

NICHIA CORP0 citations62
US11506934B2Nov 22, 2022

Light-emitting device and planar light source

NICHIA CORP1 citations62
USRE49298ENov 15, 2022

Semiconductor light emitting element

NICHIA CORP0 citations62
US10978617B2Apr 13, 2021

Light emitting element

NICHIA CORP0 citations62
US12504151B2Dec 23, 2025

Light-emitting device and surface-emitting light source

NICHIA CORP0 citations52
US12206052B2Jan 21, 2025

Light-emitting device and planar light source that utilizes multiple wavelength conversion layers

NICHIA CORP0 citations52
US12068436B2Aug 20, 2024

Light-emitting element

NICHIA CORP0 citations52
US12001046B2Jun 4, 2024

Light-emitting device

NICHIA CORP0 citations52
US11480319B2Oct 25, 2022

Light emitting module and planar light source

NICHIA CORP0 citations52
US10468556B2Nov 5, 2019

Light emitting element and light emitting device

NICHIA CORP0 citations52
US10074775B2Sep 11, 2018

Light emitting element and light emitting device

NICHIA CORP0 citations52
US9356196B2May 31, 2016

Method of manufacturing light emitting element

NICHIA CORP0 citations51
US10361340B2Jul 23, 2019

Light emitting element and light emitting device

NICHIA CORP0 citations50
US9786812B2Oct 10, 2017

Light emitting element and light emitting device

NICHIA CORP1 citations50
US10910536B2Feb 2, 2021

Light emitting element

NICHIA CORP0 citations48
US10553770B2Feb 4, 2020

Light emitting device including light emitting element with multiple light emitting cells

NICHIA CORP0 citations42
US10461219B2Oct 29, 2019

Light emitting element

NICHIA CORP0 citations42
US9780261B2Oct 3, 2017

Light-emitting element and light-emitting device including a first p-side semiconductor layer and a second p-side semiconductor layer

NICHIA CORP0 citations41

EMURA KEIJI

2 patents

SANO MASAHIKO

1 patent

INOUE YOSHIKI

1 patent

Showing the top 50 of 53 patents by PatentIndex Score.