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For the Inventor, By the Inventor

Osaka, Japan

Kubota Corporation


USPTO Granted Patents = 2,895

% Expired Patents = 1.8



Trademarks = 60

Forward Citations = 20,688

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2,319 inventors (with patents filed for the assignee):

goldMedal Yuji Fukuda (122 out of 125 patents)

silverMedal Hirokazu Ito (79 out of 80 patents)

bronzeMedal Yoshitaka Higashikawa (67 out of 67 patents)

4.  Yoshikazu Togoshi (60 out of 61 patents)

5.  Junta Kuwae (58 out of 60 patents)

6.  Keisuke Miura (51 out of 52 patents)

7.  Nobuyuki Yamashita (48 out of 48 patents)

8.  Ryota Hamamoto (44 out of 45 patents)

9.  Atsushi Shinkai (44 out of 53 patents)

10.  Kazuo Samejima (44 out of 45 patents)

11.  Katsuhiko Uemura (43 out of 43 patents)

12.  Akira Minoura (43 out of 44 patents)

13.  Hiroshi Horii (39 out of 41 patents)

14.  Hiroaki Nakagawa (38 out of 40 patents)

15.  Ryosuke Kinugawa (37 out of 37 patents)


Core Competencies:
Electric Work Vehicle
Agricultural Machine
Autonomous System
Control Method
Working Machine
Tractor
Electric Mower
Hydraulic System
Communication System
Cutting System
Attachment Device
Battery Housing

2,895 patents:

1. D1150140 - Part of engine (2026-09-29),
2. 12748013 - Lifetime estimation system for working machine (2026-09-29),
3. 12747560 - Electric working machine (2026-09-29),
4. 12745709 - Electric work vehicle (2026-09-29),
5. 12743103 - Path planning system and path planning method for agricultural machine performing self-traveling (2026-09-22),
6. 12742964 - Camera system including at least two light sources (2026-09-22),
7. 12742488 - Mower drive belt tensioner and drive train of mower (2026-09-22),
8. 12742301 - Work vehicle, method of controlling work vehicle, and controller for work vehicle (2026-09-22),
9. 12741565 - Work vehicle (2026-09-22),
10. 12740498 - Tractor (2026-09-22),
11. RE51031 - Hydraulic system for work machine, and work machine (2026-09-15),
12. 12738817 - Electric work vehicle having an inverter housing (2026-09-15),
13. 12735855 - Attitude maintenance mechanism of front loader and front loader (2026-09-15),
14. 12735206 - Unmanned aircraft, and method for controlling unmanned aircraft (2026-09-15),
15. 12734917 - Electric work vehicle and charging method (2026-09-15),
Kubota Corporation, headquartered in Osaka, Japan, specializes in the development and manufacturing of electric work vehicles and agricultural machinery. The company is recognized for its innovations in autonomous systems and control methods, enhancing the efficiency and effectiveness of working machines, including tractors and electric mowers. With a strong focus on hydraulic systems, Kubota aims to advance sustainable practices in agriculture and construction, contributing to the evolution of modern work environments.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Kubota Corporation
2,895 Patents

#10 in Osaka

#84 in Japan

#325 in the World

Osaka, JP
Osaka, Japan

Kubota Corporation

Forward Citations = 20,688

2,319 inventors:

goldMedal Yuji Fukuda (122 out of 125 patents)

silverMedal Hirokazu Ito (79 out of 80 patents)

bronzeMedal Yoshitaka Higashikawa (67 out of 67 patents)

4.  Yoshikazu Togoshi (60 out of 61 patents)

5.  Junta Kuwae (58 out of 60 patents)

Please report any incorrect information to [email protected]
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