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Inventor

Kumiko Gorai

Inventor
JP

Overview

1→
Patents
2022
Patent span
Electricity
Primary field (CPC H)

Patents· 1 as inventor

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

C07Dprimary
C07DHeterocyclic compounds20%
C09KMaterials for miscellaneous applications, not provided for elsewhere20%
H01LSemiconductor devices20%
H05BElectric heating20%
H10KOrganic electric solid-state devices20%
PatentTitleYear
11,271,171Biscarbazole derivative and organic electroluminescent element using same2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to IDEMITSU KOSAN CO (1)· patent assignee history
2022Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IDEMITSU KOSAN CO12022
Locations
LocationPatentsSpan
JP12022