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For the Inventor, By the Inventor

Kanagawa, Japan

Nidec Powertrain Systems Corporation


USPTO Granted Patents = 7

Trademarks = 1

Forward Citations = 0

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7 inventors (with patents filed for the assignee):

goldMedal Shigehiro Kataoka (2 out of 23 patents)

silverMedal Hiroshi Shirai (2 out of 63 patents)

bronzeMedal Yasuhiro Shirai (2 out of 17 patents)

4.  Hiroki Shimizu (1 out of 6 patents)

5.  Tomohiro Sakata (1 out of 11 patents)

6.  Heng Cao (1 out of 1 patent)

7.  Shun Kato (1 out of 1 patent)


7 patents:

1. 12700776 - Actuator device (2026-08-04),
2. 12651947 - Rotary electric machine and pump (2026-06-09),
3. 12537412 - Motor and pump (2026-01-27),
4. 12460735 - Solenoid valve device (2025-11-04),
5. 12388313 - Rotary electric machine and electric actuator (2025-08-12),
6. 12273065 - Motor control device and electric pump device (2025-04-08),
7. 12249947 - Motor control device and electric pump device (2025-03-11),
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USPTO Data Jan 1 1976 - Sep 29 2026

7 Patents

#200 in Kanagawa

#5,441 in Japan

Kanagawa, JP
Kanagawa, Japan

Nidec Powertrain Systems Corporation

Forward Citations = 0

7 inventors:

goldMedal Shigehiro Kataoka (2 out of 23 patents)

silverMedal Hiroshi Shirai (2 out of 63 patents)

bronzeMedal Yasuhiro Shirai (2 out of 17 patents)

4.  Hiroki Shimizu (1 out of 6 patents)

5.  Tomohiro Sakata (1 out of 11 patents)

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