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Inventor

Rikio Yoshikawa

Inventor
Numazu, JP

Overview

5→
Patents
1996–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters60%
G03GElectrography20%
H02KDynamo-electric machines20%
PatentTitleYear
11,067,928Fixing member, fixing unit, and image forming apparatus20218,779,701'Control apparatus for permanent magnet motor'20148,410,735'Torque ripple suppression control device for permanent magnet motor and electric power steering system'20136,703,738'Outer rotor type brushless motor'20045,493,188'Control device for brushless motor and control method therefor'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2014Patents assigned to KOKUSAN DENKI CO (4)· patent assignee history
1996Based in Shizuoka, JP· patent location history
2004–2014Based in Numazu, JP· patent location history
2013–2014Patents assigned to TOBARI KAZUAKI (2)· patent assignee history
2013–2014Patents assigned to YOSHIKAWA RIKIO (2)· patent assignee history
2013Patents assigned to IWAJI YOSHITAKA (1)· patent assignee history
2021Patents assigned to FUJIFILM BUSINESS INNOVATION CORP (1)· patent assignee history
2021Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOKUSAN DENKI CO41996–2014
TOBARI KAZUAKI22013–2014
YOSHIKAWA RIKIOself22013–2014
FUJIFILM BUSINESS INNOVATION CORP12021
IWAJI YOSHITAKA12013
Locations
LocationPatentsSpan
Numazu, JP32004–2014
Kanagawa, JP12021
Shizuoka, JP11996