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Touchstone International Medical Science Co., Ltd.

USPTO Granted Patents = 36

CIPO Patents = 11

EPO Patents = 25

Forward Citations = 3,260

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22 inventors (with patents filed for the assignee):

Wangdong Chen (18 out of 27 patents)

Zhi Chen (10 out of 14 patents)

Jiang Lin (9 out of 11 patents)

4. Yi Guo (9 out of 141 patents)

5. Teng Shan (9 out of 10 patents)

6. Tuo Shu (7 out of 10 patents)

7. Xiaowei Xu (6 out of 9 patents)

8. Yanping Ye (5 out of 6 patents)

9. Kaifen Fu (5 out of 6 patents)

10. Yuanyang Cao (4 out of 4 patents)

11. Yongwang Pei (4 out of 7 patents)

12. Shuicheng Ding (4 out of 7 patents)

13. Jing Zhou (3 out of 7 patents)

14. Laicun Li (1 out of 1 patent)

15. Kenzhan Sun (1 out of 1 patent)

36 patents: Sort by Forward Citations

1. 12433594 - Anastomosis protection device (2025-10-07),

2. 12426877 - Cartridge assembly and surgical stapler (2025-09-30),

3. 12364474 - Closure drive mechanism and surgical stapler (2025-07-22),

4. 12336707 - Cartridge assembly and surgical stapler (2025-06-24),

5. 12336706 - Articulation mechanism and surgical stapler (2025-06-24),

6. 12256925 - Closure driving mechanism and surgical stapler (2025-03-25),

7. 12096939 - Firing mechanism and stapler (2024-09-24),

8. 12082816 - Closure driving mechanism and surgical stapler (2024-09-10),

9. 12048432 - Rotating mechanism and surgical stapler (2024-07-30),

10. 12004748 - Circular stapler with audible indicator (2024-06-11),

11. 11980361 - Closure driving mechanism and medical stapler including the same (2024-05-14),

12. 11877749 - Knob assembly and circular stapler (2024-01-23),

13. 11471160 - Handle assembly and stapler including the same (2022-10-18),

14. 11464517 - Handle assembly and stapler including the same (2022-10-11),

15. 11399864 - Handle assembly and stapler including the same (2022-08-02),

Touchstone International Medical Science Co., Ltd. is a leading global provider of medical devices and solutions. With a strong focus on research and development, the company strives to improve the quality of life for patients worldwide. Touchstone offers a wide range of advanced medical products, including diagnostic equipment, surgical tools, and innovative treatment solutions. Their commitment to innovation and cutting-edge technology has made them a trusted name in the healthcare industry. For more information, please visit their website.

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

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USPTO Data Jan 1 1976 - Dec 16 2025

36 Patents

#27 in

#214 in

#18,166 in the World

Touchstone International Medical Science Co., Ltd.

Forward Citations = 3,260

22 inventors:

Wangdong Chen (18 out of 27 patents)

Zhi Chen (10 out of 14 patents)

Jiang Lin (9 out of 11 patents)

4. Yi Guo (9 out of 141 patents)

5. Teng Shan (9 out of 10 patents)

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