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Inventor

Tsukasa Yamamoto

Inventor
Toyota, JP

Overview

2→
Patents
1985–1988
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.

C11Dprimary
C11DDetergent compositions33%
C23CCoating metallic material33%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis33%
PatentTitleYear
4,741,863'Alkaline degreasing solution comprising amine oxides'19884,517,030'Process for activating steel surface prior to phosphating treatment aqueous activating solution therefor'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1988Patents assigned to NIHON PARKERIZING (2)· patent assignee history
1985Patents assigned to TOYOTA MOTOR CORP (1)· patent assignee history
1985–1988Based in Toyota, JP· patent location history
1988Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIHON PARKERIZING21985–1988
TOYOTA MOTOR CO LTD11988
TOYOTA MOTOR CORP11985
Locations
LocationPatentsSpan
Toyota, JP21985–1988