Inventor

Toshio Kikuma

Inventor
Fukuoka, JP

Overview

6→
Patents
1978–1999
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

B21Bprimary
B21BRolling of metal33%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling33%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material22%
C21DModifying the physical structure of ferrous metals11%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1999Patents assigned to NIPPON STEEL CORP (6)· patent assignee history
1978Based in Onga, JP· patent location history
1979Based in Mizumaki, JP· patent location history
1981–1987Based in Fukuoka, JP· patent location history
1987Patents assigned to HITACHI LTD (1)· patent assignee history
1999Based in Futtsu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL CORP61978–1999
HITACHI LTD11987
Locations
LocationPatentsSpan
Fukuoka, JP31981–1987
Futtsu, JP11999
Mizumaki, JP11979
Onga, JP11978