Inventor

Hiroaki Itoi

Inventor

Yokohama, JP

Overview

2015–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 41 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Lprimary

H01LSemiconductor devices23%

H10KOrganic electric solid-state devices23%

C07DHeterocyclic compounds18%

C09KMaterials for miscellaneous applications, not provided for elsewhere12%

C07CAcyclic or carbocyclic compounds11%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%

C07BGeneral methods of organic chemistry2%

G01NInvestigating or analysing materials by determining their chemical or physical properties2%

G01DMeasuring not specially adapted for a specific variable1%

G01RMeasuring electric variables1%

PatentTitleYear

11,133,470Organic electroluminescent device2021 11,125,722Method and apparatus for evaluating damage to magnetic linear body2021 11,101,442Organic electroluminescence device and amine compound for organic electroluminescence device2021 11,094,886Organic electroluminescent element and electronic device2021 11,050,025Material for organic electroluminescent device and organic electroluminescent device including the same2021 11,016,060Method and apparatus for evaluating damage to magnetic linear body2021 11,016,061Method and apparatus for evaluating damage to magnetic linear body2021 10,923,663Monoamine compound and organic electroluminescence device including the same2021 10,879,471Organic electroluminescence device and amine compound for organic electroluminescence device2020 10,844,059Heterocyclic compound and organic electroluminescence device including the same2020 10,818,847Compound including nitrogen and organic electroluminescence device including the same2020 10,777,747Amine compound and organic electroluminescence device including the same2020 10,741,774Heterocyclic compound and organic electroluminescence device including the same2020 10,734,586Organic light emitting device2020 10,689,568Organic electroluminescent device2020 10,600,968Amine compound and organic electroluminescence device including the same2020 10,593,885Polycyclic compound and organic electroluminescence device including the same2020 10,586,927Organic electroluminescent material and organic electroluminescent device including the same2020 10,580,993Amine compound and organic electroluminescence device including the same2020 10,411,191Condensed cyclic compound and organic light-emitting device including the same2019 10,385,262Organic electroluminescent device2019 10,361,374Amine compound and organic light emitting device including the same2019 10,290,813Material for organic electroluminescent device and organic electroluminescent device including the same2019 10,184,078Organic electroluminescent device2019 10,147,886Organic electroluminescent material and organic electroluminescent device including the same2018 10,147,883Material for organic electroluminescent device and organic electroluminescent device including the same2018 10,084,140Material for organic electroluminescent device and organic electroluminescent device using the same2018 10,084,142Carbazole compound, material for organic electroluminescent device, and organic electroluminescent device2018 10,079,348Material for organic electroluminescent device and organic electroluminescent device comprising same2018 9,997,715Material for organic electroluminescent device and organic electroluminescent device using the same2018 9,966,536Organic electroluminescence device2018 9,947,875Amine derivatives, material for organic electroluminescent device and organic electroluminescent device including the same2018 9,929,355'Amine compound and organic electroluminescent device including the same'2018 9,902,901'Organic electroluminescent device'2018 9,899,601'Material for organic electroluminescent device and organic electroluminescent device including the same'2018 9,660,202'Organic electroluminescence device'2017 9,590,186'Material for organic electroluminescent device and organic electroluminescent device including the same'2017 9,318,711'Organic electroluminescence materials comprising substituted carbazoles and organic electroluminescence devices having the same'2016 9,172,047'Hole transport material for organic electroluminescence device and organic electroluminescence device using the same'2015 9,000,171'Organic electroluminescence material including a substituted acridine compound and organic electroluminescence device including the same'2015 9,000,164'Organic electroluminescence material including a substituted phenazine group and organic electroluminescence device including the same'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015–2021Patents assigned to SAMSUNG DISPLAY CO LTD (37)· patent assignee history

2015–2021Based in Yokohama, JP· patent location history

2015–2016Based in Yongin, KR· patent location history

2021Patents assigned to TOKYO ROPE MFG CO (3)· patent assignee history

2021Patents assigned to IDEMITSU KOSAN CO (1)· patent assignee history

2021Based in Tokyo, JP· patent location history

2021Based in Yokohama-shi, JP· patent location history

2021Based in Sodegaura, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SAMSUNG DISPLAY CO LTD	37	2015–2021
TOKYO ROPE MFG CO	3	2021
IDEMITSU KOSAN CO	1	2021

Locations

Location	Patents	Span
Yokohama, JP	32	2015–2021
Tokyo, JP	3	2021
Yongin, KR	3	2015–2016
Yokohama-shi, JP	1	2021
Sodegaura, JP	1	2021