Inventor

Koichi Umemoto

Inventor
Toyota, JP

Overview

13→
Patents
1990–2001
Patent span
Electricity
Primary field (CPC H)

Patents· 13 as inventor

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

C23Cprimary
C23CCoating metallic material13%
H01CResistors13%
H01JElectric discharge tubes or discharge lamps13%
H05BElectric heating13%
Y10TTechnical subjects covered by former us classification13%
C04BLime, magnesia9%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
C08LCompositions of macromolecular compounds4%
C30BSingle-crystal growth4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2001Patents assigned to NGK INSULATORS LTD (12)· patent assignee history
1990–2001Based in Toyota, JP· patent location history
2001Patents assigned to DAICEL CHEM (1)· patent assignee history
2001Based in Himeji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NGK INSULATORS LTD121990–2001
DAICEL CHEM12001
Locations
LocationPatentsSpan
Toyota, JP121990–2001
Himeji, JP12001