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For the Inventor, By the Inventor

Osaka, Japan

Kubota Corporation

Calculating rank
USPTO Granted Patents = 2,916

% Expired Patents = 1.8



Trademarks = 60

Forward Citations = 21,000

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2,333 inventors (with patents filed for the assignee):

goldMedal Yuji Fukuda (123 out of 126 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

2,916 patents:

1. 12773912 - Electric work vehicle (2026-10-27),
2. 12773911 - Electric work vehicle (2026-10-27),
3. 12768137 - Working machine including controller that determines movement of attachment and travel of the working machine (2026-10-20),
4. 12767363 - Work assisting system (2026-10-20),
5. 12767235 - Vehicle roof including solar panel (2026-10-20),
6. 12767006 - Electric work vehicle (2026-10-20),
7. 12766945 - Chassis of electric vehicle including sub frame overlapping battery housing (2026-10-20),
8. 12766937 - Electric motor supporting arrangement for vehicles (2026-10-20),
9. 12765463 - Agricultural pruning system (2026-10-20),
10. 12761666 - Obstacle detection system, agricultural machine and obstacle detection method (2026-10-13),
11. 12761238 - Flow velocity sensor and flow velocity detection method (2026-10-13),
12. 12760823 - Attachment device and method for attaching and detaching information acquisition device (2026-10-13),
13. 12760754 - Hydraulic control device, hydraulic circuit control method, and hydraulic device (2026-10-13),
14. 12759639 - Electric work vehicle (2026-10-13),
15. D1151722 - Part of engine (2026-10-06),
Company Overview
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 synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Kubota Corporation USPTO Patent Assignee Logo
2,916 Patents

#10 in Osaka

#82 in Japan

#324 in the World

Osaka, JP
Osaka, Japan

Kubota Corporation

Forward Citations = 21,000

2,333 inventors:

goldMedal Yuji Fukuda (123 out of 126 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kubota Corporation. Retrieved from https://idiyas.com/company/kubota

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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