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Inventor

Noritsugu Kawashima

Inventor
Tokyo, JP

Overview

2→
Patents
1988–1993
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 2 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 liquids25%
G11BInformation storage based on relative movement between record carrier and transducer25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
5,217,361'Fluid compressor having lubrication for two spiral blade compression sections'19934,761,334'Magnetic recording medium'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1993Patents assigned to TOSHIBA KK (2)· patent assignee history
1988–1993Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK21988–1993
Locations
LocationPatentsSpan
Tokyo, JP21988–1993