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For the Inventor, By the Inventor

Tokyo, Japan

Thk Co., Ltd.


USPTO Granted Patents = 503

% Expired Patents = 7.8



Trademarks = 22

Forward Citations = 2,755

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435 inventors (with patents filed for the assignee):

goldMedal Hidekazu Michioka (52 out of 53 patents)

silverMedal Takeki Shirai (52 out of 53 patents)

bronzeMedal Kaoru Hoshide (38 out of 42 patents)

4.  Hiroaki Mochizuki (33 out of 61 patents)

5.  Tetsuhiro Nishide (30 out of 34 patents)

6.  Katsuya Iida (27 out of 30 patents)

7.  Toshiyuki Aso (22 out of 22 patents)

8.  Yuki Nomura (21 out of 29 patents)

9.  Shuhei Yamanaka (18 out of 18 patents)

10.  Tomozumi Murata (18 out of 19 patents)

11.  Hiroshi Teramachi (18 out of 125 patents)

12.  Hiroomi Kuribayashi (17 out of 18 patents)

13.  Masaki Nagatsuka (17 out of 17 patents)

14.  Hiroyuki Kishi (16 out of 30 patents)

15.  Akimasa Yoshida (16 out of 16 patents)


Core Competencies:
Linear Motion Guide
Mobile Robot
Actuator System
Motion Guidance Device
Gripping System
Speed Reducing Apparatus
Image Processing Device
Robot Arm Apparatus
Diagnosis System
Clamper Mechanism
Sensor Attachment
Hollow Shaft Member

503 patents:

1. 12504041 - Linear motion guide apparatus (2025-12-23),
2. D1104859 - Passenger car (2025-12-09),
3. 12479607 - Flying robot (2025-11-25),
4. 12443194 - Autonomous mobile robot linkage system and autonomous mobile robot (2025-10-14),
5. 12410834 - Linear motion guide apparatus (2025-09-09),
6. 12358089 - Workpiece holding apparatus (2025-07-15),
7. 12326180 - Speed reducing or increasing apparatus (2025-06-10),
8. 12215741 - Motion guidance device (2025-02-04),
9. 12202132 - Pivot drive (2025-01-21),
10. 12195286 - Negative pressure-generating structure and actuator (2025-01-14),
11. 12157193 - Multi-product pallet device, control system for multi-product pallet device, displacement-restricting mechanism, and conforming mechanism (2024-12-03),
12. 12153275 - Alignment device and lens alignment system (2024-11-26),
13. 12130261 - Abnormality diagnosis system and abnormality diagnosis method (2024-10-29),
14. 12121082 - Humanoid robot (2024-10-22),
15. 12111665 - Image processing device, mobile robot control system, and mobile robot control method (2024-10-08),
Thk Co., Ltd., headquartered in Tokyo, Japan, specializes in motion guidance technology, focusing on the development and manufacturing of advanced linear motion guides, actuators, and gripping systems. The company is recognized for its innovative solutions in mobile robotics and motion guidance devices, which enhance precision and efficiency in various industrial applications. Thk's expertise extends to speed reducing apparatuses and image processing devices, making it a key player in the automation and robotics sectors.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

503 Patents

#186 in Tokyo

#381 in Japan

#1,927 in the World

Tokyo, JP
Tokyo, Japan

Thk Co., Ltd.

Forward Citations = 2,755

435 inventors:

goldMedal Hidekazu Michioka (52 out of 53 patents)

silverMedal Takeki Shirai (52 out of 53 patents)

bronzeMedal Kaoru Hoshide (38 out of 42 patents)

4.  Hiroaki Mochizuki (33 out of 61 patents)

5.  Tetsuhiro Nishide (30 out of 34 patents)

Please report any incorrect information to [email protected]
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