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For the Inventor, By the Inventor

Tokyo, Japan

Mikuni Corporation


USPTO Granted Patents = 227

% Expired Patents = 32.6



Trademarks = 4

Forward Citations = 794

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209 inventors (with patents filed for the assignee):

goldMedal Tetsuo Muraji (25 out of 32 patents)

silverMedal Keigo Suzuki (10 out of 10 patents)

bronzeMedal Toshiki Ogasawara (9 out of 9 patents)

4.  Masato Kumamoto (9 out of 9 patents)

5.  Shigeru Yamazaki (9 out of 10 patents)

6.  Katsuhiko Fukui (7 out of 7 patents)

7.  Takumi Oikawa (7 out of 8 patents)

8.  Mitsuru Sekiya (7 out of 9 patents)

9.  Norio Takehana (6 out of 6 patents)

10.  Kouji Sugano (6 out of 6 patents)

11.  Yuuhei Sanekata (6 out of 6 patents)

12.  Jun Takahashi (6 out of 6 patents)

13.  Toru Tsuchiya (6 out of 7 patents)

14.  Hiromutsu Touhachi (6 out of 7 patents)

15.  Shogo Hashimoto (6 out of 9 patents)


Core Competencies:
Liquid Pump Device
Electromagnetic Actuator
Throttle Apparatus
Oil Passage Control Valve
Fluid Control Valve
Intake Manifold
Rotary Valve Device
Solenoid Actuator
Accelerator Pedal Device
Permanent Magnet Motor
Exhaust Valve Device
Pressure Sensor

227 patents:

1. 12726096 - Electromagnetic actuator with bobbin with positioning part for positioning stator (2026-09-01),
2. 12686248 - In-vehicle device temperature adjustment apparatus (2026-07-21),
3. 12671305 - Electromagnetic actuator (2026-06-30),
4. 12671021 - Electromagnetic actuator (2026-06-30),
5. 12614939 - Permanent magnet embedded motor and pump device (2026-04-28),
6. 12612913 - Liquid pump device (2026-04-28),
7. 12578032 - Electromagnetic actuator and valve device (2026-03-17),
8. 12571477 - Mixing valve (2026-03-10),
9. 12571363 - Intake manifold (2026-03-10),
10. 12565862 - Throttle apparatus for engine (2026-03-03),
11. 12546239 - Oil passage control valve and valve timing varying device (2026-02-10),
12. 12531447 - Permanent magnet embedded motor and pump device (2026-01-20),
13. 12498048 - Mixing valve (2025-12-16),
14. 12489330 - Coil winding portion structure for stator (2025-12-02),
15. 12463518 - Solenoid actuator (2025-11-04),
Mikuni Corporation, headquartered in Tokyo, Japan, specializes in the development and manufacturing of fluid control devices. The company is recognized for its innovative solutions in various applications, including liquid pump devices, electromagnetic actuators, and throttle apparatuses. Mikuni's expertise extends to oil passage control valves, fluid control valves, intake manifolds, rotary valve devices, and solenoid actuators, positioning it as a key player in the automotive and industrial sectors, where precision fluid management is essential.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Mikuni Corporation
227 Patents

#322 in Tokyo

#648 in Japan

#3,768 in the World

Tokyo, JP
Tokyo, Japan

Mikuni Corporation

Forward Citations = 794

209 inventors:

goldMedal Tetsuo Muraji (25 out of 32 patents)

silverMedal Keigo Suzuki (10 out of 10 patents)

bronzeMedal Toshiki Ogasawara (9 out of 9 patents)

4.  Masato Kumamoto (9 out of 9 patents)

5.  Shigeru Yamazaki (9 out of 10 patents)

Please report any incorrect information to [email protected]
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