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Inventor

Katsuro Itoh

Inventor
Tokyo, JP

Overview

3→
Patents
1987–1995
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 systems38%
H03KPulse technique25%
H02HEmergency protective circuit arrangements13%
H02JElectric power networks13%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%
PatentTitleYear
5,452,196'Protection system for thyristor valve having first and second reverse voltage detection circuits'19955,434,772'Control device for thyristor converter'19954,680,691'Method and system for preventing an excessive voltage build-up in a power converter system'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1995Patents assigned to TOSHIBA KK (3)· patent assignee history
1987Based in Fuchu, JP· patent location history
1995Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK31987–1995
Locations
LocationPatentsSpan
Tokyo, JP21995
Fuchu, JP11987