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Inventor

Masanao Shinkai

Inventor
Saitama, JP

Overview

5→
Patents
1991–1995
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

H05Bprimary
H05BElectric heating28%
C09KMaterials for miscellaneous applications, not provided for elsewhere17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
Y10TTechnical subjects covered by former us classification17%
H10KOrganic electric solid-state devices11%
C07CAcyclic or carbocyclic compounds6%
H01BCables6%
PatentTitleYear
5,429,884'Organic electroluminescent element'19955,256,945'Organic electroluminescence element'19935,122,711'Electroluminescent device'19925,104,740'Electroluminescent element'19925,069,975'Electroluminescent element'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1995Patents assigned to PIONEER ELECTRONIC CORP (5)· patent assignee history
1991–1992Patents assigned to NIPPON KAYAKU KK (2)· patent assignee history
1991–1993Based in Saitama, JP· patent location history
1995Based in Tsurugashima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PIONEER ELECTRONIC CORP51991–1995
NIPPON KAYAKU KK21991–1992
Locations
LocationPatentsSpan
Saitama, JP41991–1993
Tsurugashima, JP11995