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Nabtesco Corporation

Calculating rank

USPTO Granted Patents = 400

% Expired Patents = 14.5

CIPO Patents = 3

EPO Patents = 395

Trademarks = 15

Forward Citations = 1,053

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344 inventors (with patents filed for the assignee):

Koji Nakamura (29 out of 30 patents)

Tsutomu Yasui (22 out of 33 patents)

Koji Ito (16 out of 111 patents)

4. Kazuhiko Sakurai (15 out of 15 patents)

5. Yuto Nakai (13 out of 13 patents)

6. Osamu Nohara (13 out of 15 patents)

7. Atsushi Fukui (13 out of 13 patents)

8. Masaki Harada (12 out of 18 patents)

9. Koji Nakamura (11 out of 71 patents)

10. Atsuhito Yamaguchi (11 out of 11 patents)

11. Etsuro Komori (11 out of 11 patents)

12. Masahiro Takahashi (10 out of 245 patents)

13. Kazuyoshi Makisumi (10 out of 10 patents)

14. Shingo Nakagawa (10 out of 11 patents)

15. Masahiro Takahashi (10 out of 15 patents)

Core Competencies:

Speed Reducer

Hydraulic Pump

Drive Transmission

Rotary Actuator

Gear Mechanism

Sensor Device

Control Method

Joint Structure

Wind Turbine

Abnormality Detection

Construction Machine

Electro-Hydrostatic Circuit

400 patents: Sort by Forward Citations

1. 12768764 - Abnormality determination device, conductive particle detecting device, and abnormality determination method (2026-10-20),

2. 12721738 - Prosthetic knee joint, prosthetic knee joint power generating method, and tangible computer-readable storage medium storing program (2026-09-01),

3. 12716480 - Speed reducer and industrial machine (2026-08-25),

4. 12716471 - Drive transmission device and construction machine (2026-08-25),

5. 12710096 - LUBRICANT LEAKAGE CONTROL MECHANISM AND GEAR MECHANISM (2026-08-18),

6. 12709869 - DRIVING APPARATUS, DRIVING METHOD, AND DRIVING PROGRAM (2026-08-18),

7. D1139036 - Actuator for aircraft (2026-08-04),

8. D1137052 - Actuator for electric power steering (2026-07-28),

9. D1137051 - Actuator for electric power steering (2026-07-28),

10. 12692741 - Automatic door device for detecting object using infrared sensor and image sensor, automatic door sensor, automatic door control method, storage medium storing automatic door control program, automatic door sensor control method, and storage medium storing automatic door sensor control program (2026-07-28),

11. 12679449 - Drive control device, drive control method, and computer-readable storage medium (2026-07-14),

12. 12638507 - Automatic door maintenance support system, automatic door maintenance support apparatus, automatic door apparatus, automatic door maintenance support method, and program (2026-05-26),

13. 12631257 - Seal device and construction machine (2026-05-19),

14. D1126267 - Speed reducer (2026-05-12),

15. 12623486 - Mecanum wheel (2026-05-12),

Company Overview

Nabtesco Corporation, headquartered in Tokyo, Japan, specializes in the development and manufacturing of precision machinery and components, particularly in the field of speed reducers. The company is recognized for its innovative solutions in hydraulic pumps, drive transmission systems, rotary actuators, and gear mechanisms. With a strong emphasis on advanced sensor devices and control methods, Nabtesco contributes to various industries, enhancing automation and efficiency in applications ranging from robotics to transportation.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

400 Patents

#217 in Tokyo

#436 in Japan

#2,334 in the World

Nabtesco Corporation

Forward Citations = 1,053

344 inventors:

Koji Nakamura (29 out of 30 patents)

Tsutomu Yasui (22 out of 33 patents)

Koji Ito (16 out of 111 patents)

4. Kazuhiko Sakurai (15 out of 15 patents)

5. Yuto Nakai (13 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nabtesco Corporation. Retrieved from https://idiyas.com/company/nabtesco

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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