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Yanmar Co., Ltd.

USPTO Granted Patents = 651

CIPO Patents = 14

EPO Patents = 342

Trademarks = 20

Forward Citations = 4,232

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571 inventors (with patents filed for the assignee):

Kiyoyuki Okuyama (70 out of 84 patents)

Shinya Kawashiri (30 out of 30 patents)

Masataka Mitsuda (22 out of 22 patents)

4. Kunihiko Matsumoto (20 out of 20 patents)

5. Hideo Shiomi (18 out of 20 patents)

6. Kunihiko Sakamoto (15 out of 16 patents)

7. Yoshiaki Kurokawa (14 out of 22 patents)

8. Terumitsu Takahata (14 out of 14 patents)

9. Masamitsu Uemura (14 out of 14 patents)

10. Hitoshi Adachi (14 out of 16 patents)

11. Yoshiyuki Sandou (13 out of 16 patents)

12. Takeshi Ouchida (12 out of 15 patents)

13. Tomohiro Otani (12 out of 13 patents)

14. Masaaki Yamashita (12 out of 12 patents)

15. Taichi Togashi (12 out of 12 patents)

Core Competencies:

Thermoelectric Power Generation

Fuel Injection Device

Catalytic Reactor

Ship Handling Device

Parallel Travel Work System

Hydraulic Apparatus

Exhaust Gas Purification

Heat Pump

Gas Engine

Work Vehicle

Remote Server

Engine Control

651 patents: Sort by Forward Citations

1. 11930707 - Thermoelectric power generation device (2024-03-12),

2. 11569569 - Antenna unit for work vehicle and work vehicle (2023-01-31),

3. 11441491 - Fuel injection device for engine (2022-09-13),

4. 11131365 - Reducer (2021-09-28),

5. 10814274 - Catalytic reactor and ship provided with same (2020-10-27),

6. D896841 - Engine (2020-09-22),

7. 10782692 - Ship handling device (2020-09-22),

8. D896273 - Engine (2020-09-15),

9. 10766335 - Work vehicle with accommodation for air conditioner in rear beam of cabin frame (2020-09-08),

10. 10760505 - Engine device (2020-09-01),

11. 10759270 - Construction machine (2020-09-01),

12. 10747233 - Parallel travel work system (2020-08-18),

13. 10738687 - Engine (2020-08-11),

14. 10732958 - Terminal device and software rewriting program (2020-08-04),

15. 10731617 - Engine device (2020-08-04),

Yanmar Co., Ltd. is a Japanese company that specializes in the manufacturing and distribution of diesel engines, agricultural machinery, construction equipment, and energy systems. With a history dating back to 1912, Yanmar is committed to enhancing the efficiency and sustainability of its products. Their diverse portfolio encompasses compact tractors, marine engines, renewable energy solutions, and more. Yanmar's products are known for their reliability, advanced technology, and environmental friendliness. The company strives to contribute to society by providing innovative and sustainable solutions for various industries.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

651 Patents

#38 in Osaka

#303 in Japan

#1,478 in the World

Yanmar Co., Ltd.

Forward Citations = 4,232

571 inventors:

Kiyoyuki Okuyama (70 out of 84 patents)

Shinya Kawashiri (30 out of 30 patents)

Masataka Mitsuda (22 out of 22 patents)

4. Kunihiko Matsumoto (20 out of 20 patents)

5. Hideo Shiomi (18 out of 20 patents)

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