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Inventor

Masazumu Onishi

Inventor
Toyota, JP

Overview

1→
Patents
1993
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

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

C23Fprimary
C23FNon-mechanical removal of metallic material from surface100%
PatentTitleYear
5,256,316'Brightening chemical polishing solution for hardened steel article'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to TOYODA CHUO KENKYUSHO KK (1)· patent assignee history
1993Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history
1993Based in Toyota, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYODA CHUO KENKYUSHO KK11993
TOYOTA MOTOR CO LTD11993
Locations
LocationPatentsSpan
Toyota, JP11993