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Inventor

Yasuo Tanizawa

Inventor
Tokyo, JP

Overview

2→
Patents
1992–1993
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C10Mprimary
C10MLubricating compositions50%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions50%
PatentTitleYear
5,221,490'Rust-preventive lubricant composition for zinc-plated steel material'19935,116,521'Aqueous lubrication treatment liquid and method of cold plastic working metallic materials'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1993Patents assigned to NIHON PARKERIZING (2)· patent assignee history
1992Patents assigned to NIPPON DENSO CO (1)· patent assignee history
1992Based in Yamato, JP· patent location history
1993Patents assigned to NIPPON KOKAN KK (1)· patent assignee history
1993Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIHON PARKERIZING21992–1993
NIPPON DENSO CO11992
NIPPON KOKAN KK11993
Locations
LocationPatentsSpan
Tokyo, JP11993
Yamato, JP11992