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

Huan LI — 6 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Taoyuan, TW: #1,129 of 5,438 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Huan LI has been granted 6 US patents while listed as an inventor at Unknown. The first was granted in 2007 and the most recent in December 2025. Huan LI ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Huan LI in Taoyuan, TW.

Patents per Year

Patents granted per year, 2007 to 2025Bar chart with a peak of 4 patents in 2025.peak 42007: 1 patents20072024: 1 patents20242025: 4 patents2025

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12499826 Display substrate and display device Hao Zhang, Ting LIU, Yu Wang, Huijuan Yang, Xiaofeng Jiang +5 more 2025-12-16
12486938 Pipeline inspection robot with crisscross structure-changeable crawler belts and control method thereof Aiguo SONG, Shaohu Wang, Tianyuan MIAO, Qigen Ji, Yuefeng Xu +1 more 2025-12-02
12471466 Display substrate and manufacturing method thereof, display device Pengfei Yu, Lu Bai, Jinliang Dai, Mea Wang, Yupeng He +3 more 2025-11-11
12401738 Wi-Fi hotspot translation mobile phone 2025-08-26
12037931 Device increasing engine efficiency and reducing exhaust and noise 2024-07-16
7255838 Apparatus with nano-sized platinum black and oxygen-rich ceramic powder for filtering the incoming air into an internal combustion engine Andy C. Yuan 2007-08-14