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Inventor

Sadaharu Tamoto

Inventor
Kawasaki, JP

Overview

3→
Patents
1989–1999
Patent span
Electricity
Primary field (CPC H)

Patents· 3 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 systems43%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications29%
H02JElectric power networks14%
H03KPulse technique14%
PatentTitleYear
5,896,284'Switching power supply apparatus with a return circuit that provides a return energy to a load'19995,680,302'AC output control apparatus'19974,823,247'Stabilized power supply unit'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1999Patents assigned to YUTAKA ELECTRIC MFG (3)· patent assignee history
1989–1999Based in Kawasaki, JP· patent location history
1997–1999Patents assigned to NIPPON STEEL CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YUTAKA ELECTRIC MFG31989–1999
NIPPON STEEL CORP21997–1999
Locations
LocationPatentsSpan
Kawasaki, JP31989–1999