Inventor

Keiichi Tanikawa

Inventor
Kanagawa, JP

Overview

7→
Patents
1978–1990
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 as inventor

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

C10Mprimary
C10MLubricating compositions31%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions31%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%
C09DCoating compositions, e.g. paints, varnishes or lacquers8%
C21DModifying the physical structure of ferrous metals8%
C23FNon-mechanical removal of metallic material from surface8%
C25DProcesses for the electrolytic or electrophoretic production of coatings8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1990Patents assigned to NIPPON STEEL CORP (7)· patent assignee history
1978–1990Based in Yokohama, JP· patent location history
1985–1990Based in Kanagawa, JP· patent location history
1989–1990Patents assigned to NISSHIN OIL MILLS LTD (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL CORP71978–1990
NISSHIN OIL MILLS LTD41989–1990
Locations
LocationPatentsSpan
Kanagawa, JP41985–1990
Yokohama, JP31978–1990