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For the Inventor, By the Inventor

Kanagawa, Japan

Nidec Tosok Corporation


USPTO Granted Patents = 145

% Expired Patents = 37.2


Trademarks = 1

Forward Citations = 122

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120 inventors (with patents filed for the assignee):

goldMedal Hiroshi Shirai (21 out of 63 patents)

silverMedal Yutaka Uematsu (20 out of 88 patents)

bronzeMedal Shigehiro Kataoka (20 out of 23 patents)

4.  Toshiaki Nakamura (19 out of 20 patents)

5.  Shuichi Kinjo (18 out of 18 patents)

6.  Tomohiko Nakanishi (15 out of 15 patents)

7.  Yoshiyuki Kobayashi (13 out of 214 patents)

8.  Tomoka Osawa (13 out of 14 patents)

9.  Tomohiro Yasuda (11 out of 11 patents)

10.  Yoshiyuki Kobayashi (11 out of 17 patents)

11.  Hironobu Wakabayashi (9 out of 10 patents)

12.  Hiroshi Tatsuta (9 out of 9 patents)

13.  Yoshihisa Okuhata (8 out of 11 patents)

14.  Tadayuki Hatsuda (8 out of 13 patents)

15.  Shun Kato (8 out of 8 patents)


Core Competencies:
Electric Pump
Electric Actuator
Electromagnetic Valve
Motor Control Device
Vehicle Cooling System
Hydraulic Control Apparatus
Solenoid Valve
Pressure Sensor
Motor Assembly
Control Device
Pump Device
Blow-By Gas Diagnostic

145 patents:

1. 12388332 - Electric pump (2025-08-12),
2. 12255502 - Rotary electric machine and pump (2025-03-18),
3. 12136863 - Rotary electric machine and pump (2024-11-05),
4. 12132359 - Electric actuator (2024-10-29),
5. 12088175 - Electric pump (2024-09-10),
6. 12081070 - Pump (2024-09-03),
7. 12038006 - Electric pump including a motor unit and an axially extending attachment surface (2024-07-16),
8. 12025124 - Electric pump (2024-07-02),
9. 12007253 - Rotation angle detecting device and electric actuator (2024-06-11),
10. 11976739 - Solenoid valve (2024-05-07),
11. 11973380 - Electric pump (2024-04-30),
12. 11962227 - Electric actuator (2024-04-16),
13. 11920591 - Electric oil pump (2024-03-05),
14. 11894790 - Motor driving control substrate and motor-driven oil pump (2024-02-06),
15. D1005341 - Electric oil pump (2023-11-21),
NIDEC TOSOK CORPORATION is a global provider of advanced fluid control solutions for various industries. With a focus on precision and reliability, they specialize in manufacturing and supplying high-performance valves, pumps, and flow control systems. Their innovative products play a crucial role in optimizing fluid management processes, enhancing efficiency, and ensuring safety. NIDEC TOSOK CORPORATION continuously strives for excellence by leveraging cutting-edge technology, extensive industry experience, and a commitment to customer satisfaction.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 29 2026

145 Patents

#28 in Kanagawa

#871 in Japan

#5,608 in the World

Kanagawa, JP
Kanagawa, Japan

Nidec Tosok Corporation

Forward Citations = 122

120 inventors:

goldMedal Hiroshi Shirai (21 out of 63 patents)

silverMedal Yutaka Uematsu (20 out of 88 patents)

bronzeMedal Shigehiro Kataoka (20 out of 23 patents)

4.  Toshiaki Nakamura (19 out of 20 patents)

5.  Shuichi Kinjo (18 out of 18 patents)

Please report any incorrect information to [email protected]
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