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For the Inventor, By the Inventor

Tokyo, Japan

Komatsu Corporation


USPTO Granted Patents = 2,730



Trademarks = 50

Forward Citations = 19,086

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2,280 inventors (with patents filed for the assignee):

goldMedal Shigeru Yamamoto (55 out of 74 patents)

silverMedal Takemori Takayama (45 out of 48 patents)

bronzeMedal Tomohiro Nakagawa (39 out of 100 patents)

4.  Shuuji Hori (38 out of 38 patents)

5.  Kenjiro Shimada (36 out of 36 patents)

6.  Eiji Ishibashi (35 out of 37 patents)

7.  Masanori Ikari (33 out of 46 patents)

8.  Osamu Wakabayashi (32 out of 293 patents)

9.  Masashi Ichihara (30 out of 31 patents)

10.  Takeshi Kurihara (30 out of 30 patents)

11.  Tadashi Kawaguchi (29 out of 43 patents)

12.  Koji Takeda (29 out of 41 patents)

13.  Kazuhiro Hatake (29 out of 29 patents)

14.  Masanori Tojima (28 out of 28 patents)

15.  Jun Morinaga (28 out of 28 patents)


Core Competencies:
Motor Grader
Work Vehicle
Electric Cylinder
Hydraulic Cylinder
Construction Method
Unmanned Vehicle Management
Boom Control System
Wear Resistant Component
Operation Management System
Crawler-Type Work Machine
Vehicle Monitoring Device
Exhaust Gas Treatment

2,730 patents:

1. 12486643 - Work machine, measurement method, and system (2025-12-02),
2. 12486639 - Work vehicle and control method (2025-12-02),
3. 12486637 - Motor grader and representation control method (2025-12-02),
4. 12485978 - Traveling unit, work machine, track shoe plate, and crawler belt (2025-12-02),
5. 12480533 - Work machine control system, work machine, work machine control method, and work machine control device (2025-11-25),
6. 12480283 - Fall evaluation system, fall evaluation method, and work machine (2025-11-25),
7. 12480276 - Electric cylinder and work machine (2025-11-25),
8. 12467227 - Work machine and method for controlling work machine (2025-11-11),
9. 12461542 - System, method, and work vehicle (2025-11-04),
10. 12460659 - Hydraulic cylinder (2025-11-04),
11. 12460393 - Wear resistant component (2025-11-04),
12. 12460388 - Control device and control method for work machine (2025-11-04),
13. 12460387 - Work machine (2025-11-04),
14. 12460378 - Work machine and method for controlling work machine (2025-11-04),
15. 12454812 - Work machine and method for controlling work machine (2025-10-28),
Komatsu Corporation is a Japanese multinational corporation specialized in manufacturing construction, mining, and forestry equipment. With over 100 years of experience, Komatsu provides innovative and reliable machinery designed for various industries and applications. The company is committed to sustainable practices and offers advanced technologies to enhance productivity, efficiency, and safety in the workplace.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

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2,730 Patents

#42 in Tokyo

#89 in Japan

#336 in the World

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Tokyo, Japan

Komatsu Corporation

Forward Citations = 19,086

2,280 inventors:

goldMedal Shigeru Yamamoto (55 out of 74 patents)

silverMedal Takemori Takayama (45 out of 48 patents)

bronzeMedal Tomohiro Nakagawa (39 out of 100 patents)

4.  Shuuji Hori (38 out of 38 patents)

5.  Kenjiro Shimada (36 out of 36 patents)

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