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Inventor

Masataka Yahara

Inventor
Tokyo, JP

Overview

6→
Patents
1988–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

H02Kprimary
H02KDynamo-electric machines63%
B30BPresses in general13%
G01DMeasuring not specially adapted for a specific variable13%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters13%
PatentTitleYear
10,525,647Servo press machine, motor using servo press machine, and method of assembling and detaching motor20209,853,509Composite torque rotating electric machine20179,806,571'Composite torque rotating electric machine'20179,088,193'Motor exciting device and motor exciting method and motor control device and motor control method'20154,748,359'Permanent magnet rotor with sinusoidal flux pattern'19884,733,070'Rotational information output device'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to HITACHI LTD (2)· patent assignee history
1988Based in Chiba, JP· patent location history
2015–2020Patents assigned to AIDA ENG LTD (4)· patent assignee history
2015Based in Narashino, JP· patent location history
2017Patents assigned to FUJISAWA YUKINARI (2)· patent assignee history
2017Patents assigned to NAGASE HIROSHI (2)· patent assignee history
2017Patents assigned to TAJIMA FUMIO (2)· patent assignee history
2017Based in Tokyo, JP· patent location history
2020Based in Sagamihara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AIDA ENG LTD42015–2020
FUJISAWA YUKINARI22017
HITACHI LTD21988
NAGASE HIROSHI22017
TAJIMA FUMIO22017
Locations
LocationPatentsSpan
Tokyo, JP22017
Chiba, JP21988
Sagamihara, JP12020
Narashino, JP12015