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

Kun Liu — 9 Patents

Apple: 5 patents #5,490 of 18,612Top 30%
ACAjou University Industry-Academic Cooperation: 1 patents #220 of 591Top 40%
Tianjin, CN: #94 of 2,029 inventorsTop 5%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Kun Liu has been granted 9 US patents while listed as an inventor at Apple. The first was granted in 1999 and the most recent in November 2025. Kun Liu ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Kun Liu in Tianjin, CN.

Patents per Year

Patents granted per year, 1999 to 2025Bar chart with a peak of 3 patents in 2021.peak 31999: 1 patents19992018: 1 patents20182019: 2 patents20192021: 3 patents20212025: 2 patents2025

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12470619 Extensible method to decouple API and service provider Chen Feng, Xiaoying Sun, Xixun Yu, Shidu Ye 2025-11-11
12272172 Method and device for human parsing Won Jun Hwang 2025-04-08
11009945 Method for operating an eye tracking device for multi-user eye tracking and eye tracking device Fabian Wanner, Matthias Nieser, Walter Nistico 2021-05-18 $223,963,000
11003245 Method for automatically identifying at least one user of an eye tracking device and eye tracking device Fabian Wanner, Walter Nistico, Matthias Nieser 2021-05-11 $296,431,000
10893801 Eye tracking system and method to detect the dominant eye Walter Nistico, Hao Qin 2021-01-19 $530,753,000
10521012 Method for automatically identifying at least one user of an eye tracking device and eye tracking device Fabian Wanner, Walter Nistico, Matthias Nieser 2019-12-31 $109,024,000
10416764 Method for operating an eye tracking device for multi-user eye tracking and eye tracking device Fabian Wanner, Matthias Nieser, Walter Nistico 2019-09-17 $100,781,000
10016131 Eye tracking system and method to detect the dominant eye Walter Nistico, Hao Qin 2018-07-10
5881988 Non-rotatable seat assembly 1999-03-16