P

Inventor

SAITO MASATOSHI

JP66 patents
⚠️ This page may combine multiple inventors who share the name “SAITO MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IDEMITSU KOSAN CO

12 patents
US9502667B2Nov 22, 2016

Organic electroluminescence

IDEMITSU KOSAN CO13 citations84
US8022401B2Sep 20, 2011

Organic thin film transistor and organic thin film light-emitting transistor

IDEMITSU KOSAN CO9 citations84
US11489121B1Nov 1, 2022

Organic electroluminescent device configured to emit light with high luminous efficiency

IDEMITSU KOSAN CO2 citations73
US10547009B2Jan 28, 2020

Organic electroluminescent element, electronic device and compound

IDEMITSU KOSAN CO5 citations73
US11271164B2Mar 8, 2022

Compound, composition, organic electroluminescent element and electronic device

IDEMITSU KOSAN CO2 citations62
US12312317B2May 27, 2025

Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device

IDEMITSU KOSAN CO0 citations61
US10689385B2Jun 23, 2020

Benzimidazolo[1,2-A]benzimidazole carrying aryl- or arylnitril groups for organic light emitting diodes

IDEMITSU KOSAN CO1 citations61
US11903308B2Feb 13, 2024

Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device

IDEMITSU KOSAN CO0 citations52
US11456425B2Sep 27, 2022

Organic electroluminescent element, and electronic apparatus

IDEMITSU KOSAN CO0 citations52
US10968229B2Apr 6, 2021

Seven-membered ring compounds

IDEMITSU KOSAN CO0 citations52
US11618722B2Apr 4, 2023

Compound, composition, organic electroluminescent element, and electronic appliance

IDEMITSU KOSAN CO0 citations51
US11424414B2Aug 23, 2022

Organic electroluminescent element, electronic device, and compound

IDEMITSU KOSAN CO0 citations51

RICOH KK

8 patents

NAKANO YUKI

4 patents

SAITO MASATOSHI

4 patents

NIPPON TELEGRAPH & TELEPHONE

4 patents

HARADA IND CO LTD

3 patents

HONDA MOTOR CO LTD

3 patents

SUMITOMO CHEMICAL CO

2 patents

TOPPAN PRINTING CO LTD

2 patents

TOPPAN INC

2 patents

SONY CORP

1 patent

KAKEN PHARMA CO LTD

1 patent

NAKAMURA HIROAKI

1 patent

SONY ERICSSON MOBILE COMM JP

1 patent

SUNAGAWA MISA

1 patent

KAWANO YU

1 patent

Showing the top 50 of 66 patents by PatentIndex Score.