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Jtekt Corporation

USPTO Granted Patents = 2,463

% Expired Patents = 50.5

CIPO Patents = 2

EPO Patents = 1,701

Trademarks = 50

Forward Citations = 6,345

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2,036 inventors (with patents filed for the assignee):

Terutaka Tamaizumi (64 out of 68 patents)

Shigeo Kamamoto (58 out of 60 patents)

Takashi Kodera (57 out of 57 patents)

4. Junji Murata (49 out of 49 patents)

5. Yuji Fujita (42 out of 44 patents)

6. Isao Namikawa (39 out of 40 patents)

7. Shigeki Nagase (38 out of 46 patents)

8. Yuji Kariatsumari (35 out of 38 patents)

9. Masaharu Yamashita (34 out of 48 patents)

10. Yuki Shishihara (32 out of 32 patents)

11. Takeshi Ueda (32 out of 37 patents)

12. Yosuke Yamashita (30 out of 36 patents)

13. Kunihiko Suzuki (29 out of 148 patents)

14. Toshiyuki Saito (28 out of 33 patents)

15. Hiroshi Ueno (28 out of 83 patents)

Core Competencies:

Steering Control Device

Motor Control Device

Vehicle Control Method

Steer-By-Wire

Rudder System

Constant Velocity Joint

Thrust Bearing

Tapered Roller Bearing

Electric Power Source

Motion Control Device

Differential Gear

Injection Molding Device

2,463 patents: Sort by Forward Citations

1. 12742506 - Valve assembly (2026-09-22),

2. 12735103 - Control device for articulated vehicle (2026-09-15),

3. 12735092 - Motor control device (2026-09-15),

4. 12735044 - Turning system and control information setting method (2026-09-15),

5. 12722701 - Backward movement control device for articulated vehicle, computer-readable medium storing backward movement control program for articulated vehicle, and backward movement control method for articulated vehicle (2026-09-01),

6. 12722699 - Steering control device (2026-09-01),

7. 12715507 - Steering control device and steering control method (2026-08-25),

8. 12715503 - Steering control device (2026-08-25),

9. 12715495 - Turning control device (2026-08-25),

10. 12709320 - STEERING DEVICE (2026-08-18),

11. 12703423 - Turning control device (2026-08-11),

12. 12674517 - Valve assembly (2026-07-07),

13. 12673720 - Steering control apparatus (2026-07-07),

14. 12668300 - Steering control device that limits torque output by a motor (2026-06-30),

15. 12663043 - Cage, rolling bearing, and method for molding cage (2026-06-23),

JTEKT Corporation is a Japan-based company primarily engaged in the manufacture and sale of bearings, machine tools, steering systems, driveline components, and other automotive components. The company operates through three business segments: Automotive Systems, Industrial Systems, and Other Products. JTEKT's automotive products include steering columns, electric power steering systems, driveline components, and more. Its industrial products consist of machine tools, ball screws, and linear guides. The company operates globally and is committed to providing innovative solutions that contribute to the advancement of industries and society as a whole.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

Jtekt Corporation

2,463 Patents

#4 in Kariya

#102 in Japan

#399 in the World

Jtekt Corporation

Forward Citations = 6,345

2,036 inventors:

Terutaka Tamaizumi (64 out of 68 patents)

Shigeo Kamamoto (58 out of 60 patents)

Takashi Kodera (57 out of 57 patents)

4. Junji Murata (49 out of 49 patents)

5. Yuji Fujita (42 out of 44 patents)

Please report any incorrect information to [email protected]

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