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Inventor

Masakuni Ishikawa

Inventor
Konan, JP

Overview

7→
Patents
1989–1997
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 7 as inventor

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 liquids63%
F04BPositive-displacement machines for liquids13%
G06KGraphical data reading13%
H01RElectrically-conductive connections13%
PatentTitleYear
5,593,297'Scroll type compressor'19975,551,852'Scroll type compressor having a seal bearing unit'19965,503,539'Scroll type compressor having a thrust bearing for the drive shaft'19965,472,328'Scroll type compressor having an oil seal bearing for the drive shaft'19955,413,469'Thrust bearing arrangement for a drive shaft of a scroll compressor'19955,105,723'Swash plate type axial piston pump'19924,839,509'Connector device for connecting IC card to reading and/or writing apparatus'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to DIESEL KIKI CO (1)· patent assignee history
1989Based in Higashimatsuyama, JP· patent location history
1992–1997Patents assigned to ZEXEL CORP (6)· patent assignee history
1992Based in Saitama, JP· patent location history
1995–1997Based in Konan, JP· patent location history
1997Patents assigned to TAMA MFG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ZEXEL CORP61992–1997
DIESEL KIKI CO11989
TAMA MFG11997
Locations
LocationPatentsSpan
Konan, JP51995–1997
Saitama, JP11992
Higashimatsuyama, JP11989