Inventor

Yoshihiko Iida

Inventor

Hitachi, JP

Overview

1981–2001

Patent span

Performing operations

Primary field (CPC B)

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

B21Bprimary

B21BRolling of metal33%

B23KSoldering or unsoldering11%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof11%

G03GElectrography11%

H04NPictorial communication, e.g. television11%

Y02TClimate change mitigation technologies related to transportation11%

Y10TTechnical subjects covered by former us classification11%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1981–2001Patents assigned to HITACHI LTD (3)· patent assignee history

1981Patents assigned to TOYO KOGYO CO (1)· patent assignee history

1981–2001Based in Hitachi, JP· patent location history

1981Based in Hiroshima, JP· patent location history

1987Patents assigned to NIPPON STEEL CORP (1)· patent assignee history

1991Patents assigned to HITACHI MEDICAL CORP (1)· patent assignee history

1991Based in Chiba, JP· patent location history

1996Patents assigned to FUJI XEROX CO LTD (1)· patent assignee history

1996Based in Kanagawa, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations