For the Inventor, By the Inventor

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Takeuchi Mfg. Co., Ltd.

USPTO Granted Patents = 13

EPO Patents = 2

Forward Citations = 0

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19 inventors (with patents filed for the assignee):

Kengo Kumeuchi (4 out of 4 patents)

Hidaka Oyama (4 out of 5 patents)

Tetsuya Matsumoto (3 out of 6 patents)

4. Satoshi Ishizaka (3 out of 3 patents)

5. Shingo Takeuchi (2 out of 5 patents)

6. Yuta Kobayashi (2 out of 2 patents)

7. Kazuya Hirose (1 out of 2 patents)

8. Shota Maruyama (1 out of 1 patent)

9. Naoyuki Matsui (1 out of 1 patent)

10. Yohei Hayashi (1 out of 1 patent)

11. Yuichi Shioiri (1 out of 2 patents)

12. Takahiro Watanabe (1 out of 1 patent)

13. Kengo Nonomura (1 out of 1 patent)

14. Keigo Kita (1 out of 1 patent)

15. Shumpei Okutani (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 12768135 - Working vehicle including a controller with an inertial sensor for controlling hydraulic pumps (2026-10-20),

2. D1153313 - Construction machinery (2026-10-13),

3. 12760499 - Working vehicle (2026-10-13),

4. 12760497 - Working vehicle (2026-10-13),

5. 12723371 - Output control device, method and program (2026-09-01),

6. 12673711 - Wheeled platform for external charger and method for transporting external charger (2026-07-07),

7. 12668119 - Structure for preventing intrusion of rainwater into engine room and working vehicle (2026-06-30),

8. 12631001 - Working vehicle (2026-05-19),

9. 12631000 - Soil-and-sand intrusion preventing structure (2026-05-19),

10. 12618225 - Working vehicle (2026-05-05),

11. 12590439 - Working vehicle (2026-03-31),

12. 12559904 - Working vehicle (2026-02-24),

13. 12529208 - Working vehicle (2026-01-20),

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USPTO Data Jan 1 1976 - Oct 20 2026

13 Patents

#54 in Nagano

#3,752 in Japan

#45,081 in the World

Takeuchi Mfg. Co., Ltd.

Forward Citations = 0

19 inventors:

Kengo Kumeuchi (4 out of 4 patents)

Hidaka Oyama (4 out of 5 patents)

Tetsuya Matsumoto (3 out of 6 patents)

4. Satoshi Ishizaka (3 out of 3 patents)

5. Shingo Takeuchi (2 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Takeuchi Mfg. Co., Ltd.. Retrieved from https://idiyas.com/company/takeuchi-mfg

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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