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Inventor

Kei Minagawa

Inventor
Nagano, JP

Overview

2→
Patents
1990–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

B60Tprimary
B60TVehicle brake control systems or parts thereof25%
H02HEmergency protective circuit arrangements25%
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 systems25%
H03KPulse technique25%
PatentTitleYear
10,910,823Semiconductor device driving device20214,918,922'Master cylinder piston with intake valve and flow/resisting annular ring'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to AISIN SEIKI (1)· patent assignee history
1990Based in Anjo, JP· patent location history
2021Patents assigned to FUJI ELECTRIC CO LTD (1)· patent assignee history
2021Based in Nagano, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AISIN SEIKI11990
FUJI ELECTRIC CO LTD12021
Locations
LocationPatentsSpan
Nagano, JP12021
Anjo, JP11990