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Inventor

Keishichi Nanba

Inventor
Yokohama, 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.

C23Cprimary
C23CCoating metallic material100%
PatentTitleYear
5,225,144'Gas-carburizing process and apparatus'19935,133,813'Gas-carburizing process and apparatus'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1993Patents assigned to MITSUBISHI MOTORS CORP (2)· patent assignee history
1992Patents assigned to TOKYO HEAT TREATING (1)· patent assignee history
1992–1993Based in Yokohama, JP· patent location history
1993Patents assigned to TOKYO HEAT TREATING COMPANY (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI MOTORS CORP21992–1993
TOKYO HEAT TREATING11992
TOKYO HEAT TREATING COMPANY11993
Locations
LocationPatentsSpan
Yokohama, JP21992–1993