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Inventor

Fumio Kumazaki

Inventor
Tokyo, JP

Overview

3→
Patents
1997–2001
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G05Bprimary
G05BControl or regulating systems in general40%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters40%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
6,259,226'Controller for AC motor'20015,886,491'Position control unit for electric motor'19995,652,491'Position controller for an electric motor'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2001Patents assigned to MITSUBISHI ELECTRIC CORP (3)· patent assignee history
1997Based in Aichi, JP· patent location history
1999Patents assigned to MITSUBISHI ELECTRIC ENG (1)· patent assignee history
1999–2001Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP31997–2001
MITSUBISHI ELECTRIC ENG11999
Locations
LocationPatentsSpan
Tokyo, JP21999–2001
Aichi, JP11997