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Inventor

Hideo Umetsu

Inventor
Tokai, JP

Overview

1→
Patents
1983
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 1 as inventor

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

H02Kprimary
H02KDynamo-electric machines33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
4,387,311'Uninflammable dynamoelectric machine having coil windings and core encapsulated with unsaturated polyester resin-filler composition'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to HITACHI LTD (1)· patent assignee history
1983Based in Tokai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD11983
Locations
LocationPatentsSpan
Tokai, JP11983