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Inventor

Kohsaku Ichikawa

Inventor
Tokyo, JP

Overview

4→
Patents
1988–2021
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.

H03Kprimary
H03KPulse technique25%
F16DCouplings for transmitting rotation13%
F16HGearing13%
G05DSystems for controlling or regulating non-electric variables13%
H02HEmergency protective circuit arrangements13%
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 systems13%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters13%
PatentTitleYear
11,022,190Vehicle control device and vehicle control method20216,333,665'Gate circuit for insulated gate semiconductor device'20014,747,036'Fault detector apparatus having serial fault-detection signal path'19884,721,861'Turbine helper drive apparatus'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2001Patents assigned to TOSHIBA KK (3)· patent assignee history
1988–2001Based in Tokyo, JP· patent location history
2021Patents assigned to JATCO LTD (1)· patent assignee history
2021Patents assigned to NISSAN MOTOR (1)· patent assignee history
2021Based in Atsugi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK31988–2001
JATCO LTD12021
NISSAN MOTOR12021
Locations
LocationPatentsSpan
Tokyo, JP31988–2001
Atsugi, JP12021