Inventor

Kiyoshi Masujima

Inventor

Chigasaki, JP

Overview

1991

Patent span

Mechanical engineering

Primary field (CPC F)

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

F04Cprimary

F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids50%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests50%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

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

1991Based in Chigasaki, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	1	1991

Locations

Location	Patents	Span
Chigasaki, JP	1	1991