P

Inventor

YAMAGUCHI TOMOYA

JP49 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI TOMOYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEMICONDUCTOR ENERGY LAB

30 patents
US9534006B2Jan 3, 2017

Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB10 citations92
US9127032B2Sep 8, 2015

Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB15 citations92
US8889858B2Nov 18, 2014

Phosphorescent organometallic iridium complex, light-emitting element, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB19 citations92
US9985223B2May 29, 2018

Iridium organometallic complexes comprising 4-arylpyrimidines

SEMICONDUCTOR ENERGY LAB8 citations84
US9978960B2May 22, 2018

Organometallic iridium complex, light-emitting element, light-emitting device, and lighting device

SEMICONDUCTOR ENERGY LAB7 citations84
US9960371B2May 1, 2018

Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB7 citations84
US9184398B2Nov 10, 2015

Light-emitting elements comprising iridium organometallic complexes comprising 4-arylpyrimidines

SEMICONDUCTOR ENERGY LAB11 citations84
US9059414B2Jun 16, 2015

Phosphorescent organometallic iridium complex, light-emitting element, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB11 citations84
US8921549B2Dec 30, 2014

Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB17 citations84
US10998509B2May 4, 2021

Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB2 citations73
US10693085B2Jun 23, 2020

Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB1 citations73
US10283722B2May 7, 2019

Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB3 citations73
US10734589B2Aug 4, 2020

Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB4 citations72
US10388891B2Aug 20, 2019

Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB1 citations63
US9843003B2Dec 12, 2017

Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB1 citations63
US12325716B2Jun 10, 2025

Organometallic complex, light-emitting material for top emission, light-emitting device, light-emitting apparatus, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB0 citations62
US12167675B2Dec 10, 2024

Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB0 citations62
US12102000B2Sep 24, 2024

Light-emitting element, organic compound, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB0 citations62
US12096690B2Sep 17, 2024

Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB0 citations62
US11462696B2Oct 4, 2022

Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB0 citations62
US11450820B2Sep 20, 2022

Light-emitting device, light-emitting apparatus, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB0 citations62
US11121326B2Sep 14, 2021

Organic compound, light-emitting element, light-emitting device, electronic device and lighting device

SEMICONDUCTOR ENERGY LAB1 citations62
US11522142B2Dec 6, 2022

Light-emitting element material, light-emitting element, light-emitting device, electronic device, lighting device, and organometallic complex

SEMICONDUCTOR ENERGY LAB0 citations57
US12415812B2Sep 16, 2025

Organic compound, light-emitting device material, light-emitting device, light-emitting apparatus, light-emitting module, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB0 citations52
US10431752B2Oct 1, 2019

Organometallic iridium complex, light-emitting element, light-emitting device, and lighting device

SEMICONDUCTOR ENERGY LAB0 citations52
US10256420B2Apr 9, 2019

Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB0 citations52
US10109806B2Oct 23, 2018

Organometallic complex, light-emitting element, light-emitting device, electronic appliance, and lighting device

SEMICONDUCTOR ENERGY LAB0 citations52
US9843002B2Dec 12, 2017

Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB0 citations52
US9196844B2Nov 24, 2015

Method of synthesizing pyrazine derivative, and light-emitting element, light-emitting device, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB1 citations52
US12048244B2Jul 23, 2024

Organic compound, light-emitting device, light-emitting apparatus, electronic device, and lighting device

SEMICONDUCTOR ENERGY LAB0 citations51

DAIKIN IND LTD

7 patents

TOYOTA MOTOR CO LTD

3 patents

TAKAHASHI TAKASHI

2 patents

TOYOTA ENG & MFG NORTH AMERICA

2 patents

SEO SATOSHI

1 patent

INOUE HIDEKO

1 patent

MITSUI KINZOKU ACT CORP

1 patent

YOKOMORI KAZUHITO

1 patent

DENKA COMPANY LTD

1 patent