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USPTO Patent Rankings Data through Sept 30, 2025
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Cheng-Chung Liang — 4 Patents in 2021

ETEdda Technology: 3 patents #1 of 8Top 15%
Princeton Colonial Park, NJ: #9 of 23 inventorsTop 40%
New Jersey: #447 of 6,977 inventorsTop 7%
Overall (2021): #52,509 of 548,734Top 10%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11071589 Method and system for interactive laparoscopic ultrasound guided ablation planning and surgical procedure simulation Li Fan, Guo-Qing Wei, Xin Dou, Jianzhong Qian, Xiaolan Zeng 2021-07-27
10993678 System and method for interactive three dimensional operation guidance system for soft organs based on anatomic map and tracking surgical instrument Li Fan, Jian-Zhong Qian, Xiaolan Zeng, Xin Dou, Changbo Yang +1 more 2021-05-04
10945793 System and methods for percutaneous treatment planning and treatment monitoring Guo-Qing Wei, Li Fan, Jian-Zhong Qian, Xiaolan Zeng 2021-03-16
10905518 Methods and systems for real-time surgical procedure assistance using an electronic organ map Guo-Qing Wei, Jian-Zhong Qian, Xiaolan Zeng, Li Fan, Feng Ma 2021-02-02