For the Inventor, By the Inventor

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Technology Development Center

USPTO Granted Patents = 3

Forward Citations = 561

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14 inventors (with patents filed for the assignee):

John B Simpson (2 out of 83 patents)

Scott C Anderson (2 out of 2 patents)

Tongwei Zhang (1 out of 6 patents)

4. Guangjie Han (1 out of 1 patent)

5. Lei Yan (1 out of 3 patents)

6. Haibing Li (1 out of 2 patents)

7. Xiujun Sun (1 out of 2 patents)

8. Shuai Zhang (1 out of 3 patents)

9. Jingxiao Liu (1 out of 2 patents)

10. Lei Yang (1 out of 5 patents)

11. John J Frantzen (1 out of 66 patents)

12. James M Cannon, Jr (1 out of 5 patents)

13. Peter S Brown (1 out of 15 patents)

14. Geoffrey A Orth (1 out of 8 patents)

3 patents: Sort by Forward Citations

1. 11305854 - Deep-sea low-cost long-endurance collaborative navigation and positioning system (2022-04-19),

2. 5462529 - Adjustable treatment chamber catheter (1995-10-31),

3. 5441510 - Bi-axial cutter apparatus for catheter (1995-08-15),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#75 in Qingdao

#7,245 in China

Technology Development Center

Forward Citations = 561

14 inventors:

John B Simpson (2 out of 83 patents)

Scott C Anderson (2 out of 2 patents)

Tongwei Zhang (1 out of 6 patents)

4. Guangjie Han (1 out of 1 patent)

5. Lei Yan (1 out of 3 patents)

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