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For the Inventor, By the Inventor

Osaka, Japan

Yanmar Power Technology Co., Inc.

Calculating rank
USPTO Granted Patents = 213

% Expired Patents = 9.9



Forward Citations = 172

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214 inventors (with patents filed for the assignee):

goldMedal Yasuto Nishii (17 out of 50 patents)

silverMedal Go Asai (10 out of 12 patents)

bronzeMedal Masataka Uchibori (9 out of 15 patents)

4.  Hiroaki Naganawa (9 out of 15 patents)

5.  Yoshiaki Kurokawa (8 out of 23 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 8 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:
Autonomous Travel
Construction Machine
Engine Device
Heat Pump
Work Vehicle
Automatic Docking
Turbocharged Engine
Safety Monitoring
Wireless Communication
Path Generation
Display System
Travel Routing

213 patents:

1. 12517514 - Automatic travel system (2026-01-06),
2. 12498721 - Autonomous traveling system for working vehicle to travel autonomously (2025-12-16),
3. 12482267 - Automatic travel system for work vehicle (2025-11-25),
4. 12481297 - Ship docking assistance device (2025-11-25),
5. 12480280 - Construction machine emission device (2025-11-25),
6. 12460613 - Engine device including an orientation of a fuel return line attached to a common rail (2025-11-04),
7. 12449164 - Heat pump (2025-10-21),
8. 12442572 - Heat pump (2025-10-14),
9. 12442326 - Engine device (2025-10-14),
10. RE50558 - Display system for remote control of working machine (2025-08-26),
11. 12377726 - Work vehicle (2025-08-05),
12. 12372964 - Automatic driving method, work vehicle, and automatic driving system (2025-07-29),
13. 12369506 - Automated driving system for work vehicle (2025-07-29),
14. 12366862 - Automated travel system for spraying work (2025-07-22),
15. 12366195 - Turbocharged engine arrangement (2025-07-22),
Company Overview
Yanmar Power Technology Co., Inc., based in Osaka, Japan, specializes in the development and manufacturing of advanced autonomous systems. The company focuses on innovative technologies such as autonomous travel, construction machinery, and engine devices. Its expertise extends to heat pumps, work vehicles, and automatic docking systems, emphasizing safety monitoring and turbocharged engines. Yanmar is committed to enhancing operational efficiency and safety in various industries through cutting-edge engineering solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Yanmar Power Technology Co., Inc. USPTO Patent Assignee Logo
213 Patents

#76 in Osaka

#680 in Japan

#4,009 in the World

Osaka, JP
Osaka, Japan

Yanmar Power Technology Co., Inc.

Forward Citations = 172

214 inventors:

goldMedal Yasuto Nishii (17 out of 50 patents)

silverMedal Go Asai (10 out of 12 patents)

bronzeMedal Masataka Uchibori (9 out of 15 patents)

4.  Hiroaki Naganawa (9 out of 15 patents)

5.  Yoshiaki Kurokawa (8 out of 23 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yanmar Power Technology Co., Inc.. Retrieved from https://idiyas.com/company/yanmar-power-technology-company

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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