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Tbk Co., Ltd.

USPTO Granted Patents = 19

EPO Patents = 13

Trademarks = 2

Forward Citations = 18

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19 inventors (with patents filed for the assignee):

Takeshi Hoji (6 out of 6 patents)

Hirotada Yoshitani (4 out of 4 patents)

Akihiro Miyoshi (3 out of 3 patents)

4. Mitsuyoshi Oba (3 out of 3 patents)

5. Keisuke Shinozaki (3 out of 16 patents)

6. Yoshiyuki Terada (2 out of 2 patents)

7. Satoshi Nagao (2 out of 4 patents)

8. Yuta Kobayashi (1 out of 11 patents)

9. Makoto Araki (1 out of 1 patent)

10. Keisuke Kurihara (1 out of 3 patents)

11. Makoto Osawa (1 out of 1 patent)

12. Kazuaki Okamoto (1 out of 1 patent)

13. Yukihiro Kato (1 out of 1 patent)

14. Mitsuo Nakajima (1 out of 65 patents)

15. Tomo Sato (1 out of 1 patent)

19 patents: Sort by Forward Citations

1. 12323001 - Stator and motor including the stator (2025-06-03),

2. 12140150 - Fluid pump impeller (2024-11-12),

3. 11098712 - Gear pump (2021-08-24),

4. 10724518 - Gear pump (2020-07-28),

5. 10393140 - Fluid pump (2019-08-27),

6. 10012227 - Fluid supply device (2018-07-03),

7. 9777828 - Fluid supply device (2017-10-03),

8. 9742343 - Electric pump (2017-08-22),

9. 9579982 - Resonant motor system (2017-02-28),

10. 9353744 - Vane-type hydraulic device having vane formed with engaging groove (2016-05-31),

11. 9188031 - Engine lubricating oil supply device (2015-11-17),

12. 8979474 - Variable flow rate pump (2015-03-17),

13. 8757993 - Gear pump with fluid communication portion (2014-06-24),

14. 8689950 - Electromagnetic type retarder (2014-04-08),

15. 8575878 - Energy converter (2013-11-05),

TBK Co., Ltd. is a leading technology-driven company specializing in software development and consulting services. With a strong focus on innovation, we provide tailored solutions to clients in various industries including finance, healthcare, and e-commerce. Our team of highly skilled professionals is dedicated to delivering cutting-edge software products and reliable IT consulting support. Visit our website to learn more about our services and explore how we can help your business thrive.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

19 Patents

#1,197 in Tokyo

#2,971 in Japan

#31,708 in the World

Tbk Co., Ltd.

Forward Citations = 18

19 inventors:

Takeshi Hoji (6 out of 6 patents)

Hirotada Yoshitani (4 out of 4 patents)

Akihiro Miyoshi (3 out of 3 patents)

4. Mitsuyoshi Oba (3 out of 3 patents)

5. Keisuke Shinozaki (3 out of 16 patents)

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