Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
QS

Quanhui Sun — 3 Patents

Cisco: 2 patents #5,546 of 13,007Top 45%
PCPhotonic Technologies (Shanghai) Co.: 1 patents #15 of 22Top 70%
Shanghai, CN: #5,051 of 19,267 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Quanhui Sun has been granted 3 US patents while listed as an inventor at Cisco. The first was granted in 2016 and the most recent in June 2025. Quanhui Sun ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Quanhui Sun in Shanghai, CN.

Patents per Year

Patents granted per year, 2016 to 2025Bar chart with a peak of 1 patents in 2016.peak 12016: 1 patents20162018: 1 patents20182025: 1 patents2025

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12323276 Redriver chip, method, and device for active copper cable Xuefeng Chen, Kaitao Jin, Pei Jiang 2025-06-03
9905354 Electrical device with integrated transformer and common mode choke Jianquan Lou, Xiaoxia Zhou, Alpesh Umakant Bhobe, Jinghan Yu, Yingchun Shu 2018-02-27 $68,242,000
9525242 Modular connectors with electromagnetic interference suppression Jianquan Lou, Hongmei Fan, Shun Li, Alpesh Umakant Bhobe, Jinghan Yu +1 more 2016-12-20 $85,839,000