For the Inventor, By the Inventor

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Riverfield Inc.

USPTO Granted Patents = 43

EPO Patents = 61

Forward Citations = 2

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22 inventors (with patents filed for the assignee):

Kotaro Tadano (14 out of 21 patents)

Koki Shindo (9 out of 9 patents)

Yasushi Tanaka (6 out of 56 patents)

4. Masao Kanazawa (6 out of 10 patents)

5. Naoya Morita (6 out of 6 patents)

6. Daisuke Haraguchi (5 out of 7 patents)

7. Masataka Suzuki (4 out of 61 patents)

8. Kyohei Takikawa (4 out of 4 patents)

9. Takahiro Kanno (3 out of 5 patents)

10. Yoshihiro Ishikawa (2 out of 40 patents)

11. Teruyuki Nishihara (2 out of 5 patents)

12. Satoshi Kano (2 out of 15 patents)

13. Yuki Furusawa (2 out of 4 patents)

14. Nobuaki Yamamoto (2 out of 2 patents)

15. Hiroki Ujiie (1 out of 2 patents)

43 patents: Sort by Forward Citations

1. 12733949 - Forceps device (2026-09-15),

2. 12731502 - Assistance system, assistance device, and assisted device (2026-09-08),

3. 12708483 - SURGERY ASSISTING DEVICE AND COMPUTING DEVICE FOR SURGERY ASSISTING DEVICE (2026-08-18),

4. 12708394 - SURGICAL DEVICE (2026-08-18),

5. 12686115 - Work assistance robot (2026-07-21),

6. 12678246 - Surgical robot and controller of surgical robot (2026-07-14),

7. 12667379 - Forceps device (2026-06-30),

8. 12661112 - Surgical device retracting mechanism (2026-06-23),

9. 12636110 - Surgical robot and controller of surgical robot (2026-05-26),

10. 12616532 - Medical robot and attachment portion of medical robot (2026-05-05),

11. 12594138 - Bearing structure and drape unit including bearing structure (2026-04-07),

12. 12544936 - Rotation position detection unit (2026-02-10),

13. 12544911 - Arm structure (2026-02-10),

14. 12535060 - Soft actuator fixing method and soft actuator device (2026-01-27),

15. 12527643 - Surgical instrument holding device and surgical assistance device (2026-01-20),

Riverfield Inc. is a leading provider of innovative solutions in the field of environmental consulting and engineering. With over 20 years of experience, we offer a wide range of services including pollution prevention, waste management, and water quality assessment. Our team of experts is dedicated to helping clients achieve sustainable and cost-effective solutions to environmental challenges.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

43 Patents

#877 in Tokyo

#1,880 in Japan

#15,994 in the World

Riverfield Inc.

Forward Citations = 2

22 inventors:

Kotaro Tadano (14 out of 21 patents)

Koki Shindo (9 out of 9 patents)

Yasushi Tanaka (6 out of 56 patents)

4. Masao Kanazawa (6 out of 10 patents)

5. Naoya Morita (6 out of 6 patents)

Please report any incorrect information to [email protected]

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