Inventor

Takao Kawanami

Inventor
Kitakyushu, JP

Overview

14→
Patents
1980–1989
Patent span
Performing operations
Primary field (CPC B)

Patents· 14 as inventor

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

B21Bprimary
B21BRolling of metal40%
B23KSoldering or unsoldering30%
B24CAbrasive or related blasting with particulate material10%
Y10TTechnical subjects covered by former us classification10%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1989Patents assigned to NIPPON STEEL CORP (11)· patent assignee history
1980–1989Patents assigned to ISHIKAWAJIMA HARIMA HEAVY IND (6)· patent assignee history
1980–1982Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history
1980–1982Based in Tohkai, JP· patent location history
1980–1981Based in Tokai, JP· patent location history
1984Patents assigned to MITSUBISHI HEAVY IND LTD (1)· patent assignee history
1984–1989Based in Kitakyushu, JP· patent location history
1987–1989Patents assigned to TOSHIBA KK (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL CORP111980–1989
ISHIKAWAJIMA HARIMA HEAVY IND61980–1989
TOSHIBA KK31987–1989
MITSUBISHI ELECTRIC CORP21980–1982
MITSUBISHI HEAVY IND LTD11984
Locations
LocationPatentsSpan
Kitakyushu, JP81984–1989
Tohkai, JP31980–1982
Tokai, JP31980–1981