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Inventor

Yasuhisa Tajiri

Inventor
Tokyo, JP

Overview

3→
Patents
1983–1993
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C23Cprimary
C23CCoating metallic material22%
B05DProcesses for applying fluent materials to surfaces, in general11%
C09DCoating compositions, e.g. paints, varnishes or lacquers11%
C10MLubricating compositions11%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions11%
C25DProcesses for the electrolytic or electrophoretic production of coatings11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
5,221,490'Rust-preventive lubricant composition for zinc-plated steel material'19934,973,500'Method of plating metal sheets by passing the sheet upwards in close proximity to an upwardly directed nozzle'19904,407,899'Surface treated steel sheets for paint coating'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1993Patents assigned to NIPPON KOKAN KK (3)· patent assignee history
1983Based in Yokohama, JP· patent location history
1990–1993Based in Tokyo, JP· patent location history
1993Patents assigned to NIHON PARKERIZING (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON KOKAN KK31983–1993
NIHON PARKERIZING11993
Locations
LocationPatentsSpan
Tokyo, JP21990–1993
Yokohama, JP11983