Inventor

Koichi Iwasaki

Inventor

Tokyo, JP

Overview

1981–2020

Patent span

Mechanical engineering

Primary field (CPC F)

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

B01Dprimary

B01DSeparation8%

B60CVehicle tyres8%

B60NSeats specially adapted for vehicles8%

C23CCoating metallic material8%

F04BPositive-displacement machines for liquids8%

F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids8%

F04DNon-positive-displacement pumps8%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants8%

F23GCremation furnaces8%

Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to SONY CORP (1)· patent assignee history

1981Based in Chigasaki, JP· patent location history

1983–2005Patents assigned to YOKOHAMA RUBBER CO LTD (2)· patent assignee history

1983–2005Based in Hiratsuka, JP· patent location history

1997–1998Patents assigned to IKEDA BUSSAN CO (2)· patent assignee history

1997–1998Based in Ayase, JP· patent location history

2002Patents assigned to SANKYO CO (1)· patent assignee history

2002Based in Chiba, JP· patent location history

2020Patents assigned to EBARA CORP (2)· patent assignee history

2020Based in Tokyo, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations