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Inventor

Shuichi Umemoto

Inventor
Kanagawa, JP

Overview

4→
Patents
1982–1985
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems67%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications33%
PatentTitleYear
4,524,413'AC rectifier having semi-conductor active rectifying element'19854,513,360'DC-DC converter having energy storage inductance element connected in flywheel circuit'19854,357,654'DC--DC Converter'19824,356,541'Rectifier'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1985Patents assigned to IKENOUE TSUNEO (4)· patent assignee history
1982Based in Yokohama, JP· patent location history
1985Patents assigned to MICRON KIKI CO LTD (2)· patent assignee history
1985Patents assigned to STANLEY ELECTRIC CO LTD (2)· patent assignee history
1985Patents assigned to TOHOKU RIKO KK (2)· patent assignee history
1985Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IKENOUE TSUNEO41982–1985
MICRON KIKI CO LTD21985
STANLEY ELECTRIC CO LTD21985
TOHOKU RIKO KK21985
Locations
LocationPatentsSpan
Kanagawa, JP21985
Yokohama, JP21982