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Nabtesco Corporation

USPTO Granted Patents = 380

CIPO Patents = 5

EPO Patents = 378

Trademarks = 20

Forward Citations = 995

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325 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 110 patents)

4. Kazuhiko Sakurai (14 out of 14 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. Koji Nakamura (11 out of 71 patents)

9. Masaki Harada (11 out of 17 patents)

10. Atsuhito Yamaguchi (11 out of 11 patents)

11. Masahiro Takahashi (10 out of 244 patents)

12. Kazuyoshi Makisumi (10 out of 10 patents)

13. Shingo Nakagawa (10 out of 11 patents)

14. Etsuro Komori (10 out of 10 patents)

15. Masahiko Okuda (9 out of 13 patents)

Core Competencies:

Braking Force Measurement

Hydraulic Actuator

Wind Power Generation

Drive Transmission Device

Joint Structure

Speed Reducer

Abnormality Detection

Rotary Feedthrough

Knee Joint Control

Hydraulic Drive System

Industrial Robots

Electro-Hydrostatic Circuit

380 patents: Sort by Forward Citations

1. 12516498 - Drive transmission device and construction machine, and method of assembling construction machine (2026-01-06),

2. 12493008 - Abnormality detecting device for conductive particles in a lubricant and mechanical device (2025-12-09),

3. 12486923 - Spool position estimation apparatus, aircraft hydraulic actuator apparatus, spool position estimation method, and spool position estimation program (2025-12-02),

4. 12486828 - Braking force measuring method (2025-12-02),

5. 12480282 - Method of controlling hydraulic device (2025-11-25),

6. 12473887 - Wind power generation device control system and blade wind detecting device (2025-11-18),

7. 12460381 - Drive transmission device and construction machine (2025-11-04),

8. 12454810 - Drive transmission device and construction machine (2025-10-28),

9. 12438490 - Motor drive system (2025-10-07),

10. 12428808 - Hydraulic device, hydraulic motor and construction machine (2025-09-30),

11. 12428803 - Drive transmission device, construction machine, drive transmission method, and storage medium storing program (2025-09-30),

12. 12428129 - Joint structure and manufacturing method thereof (2025-09-30),

13. 12422021 - Power transmission pin for speed changer, speed changer and method of manufacturing power transmission pin for speed changer (2025-09-23),

14. 12416347 - Speed reducer (2025-09-16),

15. 12404838 - Backlash measuring method, wind turbine diagnosing method, and backlash measuring apparatus (2025-09-02),

NABTESCO CORPORATION is a global manufacturing company that specializes in motion control solutions. They offer a wide range of products and services including precision reduction gears, hydraulic equipment, and aircraft control systems. With a focus on innovation and technology, NABTESCO is dedicated to providing high-quality solutions to various industries such as robotics, transportation, and aerospace.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 20 2026

380 Patents

#198 in Tokyo

#440 in Japan

#2,361 in the World

Nabtesco Corporation

Forward Citations = 995

325 inventors:

Koji Nakamura (29 out of 30 patents)

Tsutomu Yasui (22 out of 33 patents)

Koji Ito (16 out of 110 patents)

4. Kazuhiko Sakurai (14 out of 14 patents)

5. Yuto Nakai (13 out of 13 patents)

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