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Inventor

Tsuneyoshi Wakui

Inventor
Chiba, JP

Overview

2→
Patents
1988–1990
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B21Bprimary
B21BRolling of metal22%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material22%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
Y10TTechnical subjects covered by former us classification22%
C21DModifying the physical structure of ferrous metals11%
PatentTitleYear
4,978,583'Patterned metal plate and production thereof'19904,783,378'Steel sheets for drawing and ironing worked cans'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1990Patents assigned to KAWASAKI STEEL CO (2)· patent assignee history
1988–1990Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAWASAKI STEEL CO21988–1990
Locations
LocationPatentsSpan
Chiba, JP21988–1990