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For the Inventor, By the Inventor

Osaka, Japan

Yanmar Power Technology Co., Inc.


USPTO Granted Patents = 211



Forward Citations = 132

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207 inventors (with patents filed for the assignee):

goldMedal Yasuto Nishii (16 out of 37 patents)

silverMedal Go Asai (10 out of 12 patents)

bronzeMedal Masataka Uchibori (9 out of 14 patents)

4.  Hiroaki Naganawa (9 out of 14 patents)

5.  Yoshiaki Kurokawa (8 out of 22 patents)

6.  Yu Matsui (8 out of 10 patents)

7.  Norihiro Okuda (7 out of 10 patents)

8.  Taishi Murakami (7 out of 13 patents)

9.  Katsuhiro Nishimura (6 out of 9 patents)

10.  Koichi Hirose (6 out of 11 patents)

11.  Koichi Kanda (6 out of 6 patents)

12.  Kensuke Kaneda (5 out of 5 patents)

13.  Toshiyuki Miwa (5 out of 10 patents)

14.  Koki Kashiwa (5 out of 6 patents)

15.  Ryosuke Ohashi (5 out of 5 patents)


Core Competencies:
Construction Machine Emission Device
Ship Docking Assistance Device
Automatic Travel System
Turbocharged Engine Arrangement
Autonomous Driving System
Heat Pump
Wireless Communication Terminal
Work Assistance System
Travel Route Determination
Engine Cylinder Block Structure
Fish Counting System
Rotary Working Vehicle

211 patents:

1. 12498721 - Autonomous traveling system for working vehicle to travel autonomously (2025-12-16),
2. 12482267 - Automatic travel system for work vehicle (2025-11-25),
3. 12481297 - Ship docking assistance device (2025-11-25),
4. 12480280 - Construction machine emission device (2025-11-25),
5. 12460613 - Engine device including an orientation of a fuel return line attached to a common rail (2025-11-04),
6. 12449164 - Heat pump (2025-10-21),
7. 12442572 - Heat pump (2025-10-14),
8. 12442326 - Engine device (2025-10-14),
9. 12377726 - Work vehicle (2025-08-05),
10. 12372964 - Automatic driving method, work vehicle, and automatic driving system (2025-07-29),
11. 12369506 - Automated driving system for work vehicle (2025-07-29),
12. 12366862 - Automated travel system for spraying work (2025-07-22),
13. 12366195 - Turbocharged engine arrangement (2025-07-22),
14. 12332078 - Map generation method and map generation device (2025-06-17),
15. 12329051 - Automatic travel system (2025-06-17),
Yanmar Power Technology Co., Inc. is a leading manufacturer of high-quality engines, generators, and agricultural machinery. With their state-of-the-art technology, the company provides solutions for various industries including marine, energy, construction, and agriculture. Their commitment to innovation, reliability, and sustainability has earned them a strong reputation in the global market.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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211 Patents

#74 in Osaka

#663 in Japan

#3,915 in the World

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Osaka, Japan

Yanmar Power Technology Co., Inc.

Forward Citations = 132

207 inventors:

goldMedal Yasuto Nishii (16 out of 37 patents)

silverMedal Go Asai (10 out of 12 patents)

bronzeMedal Masataka Uchibori (9 out of 14 patents)

4.  Hiroaki Naganawa (9 out of 14 patents)

5.  Yoshiaki Kurokawa (8 out of 22 patents)

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