Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ya-Jun Li — 4 Patents

PEPrimax Electronics: 3 patents #151 of 571Top 30%
Taipei, TW: #5,081 of 24,966 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ya-Jun Li has been granted 4 US patents while listed as an inventor at Primax Electronics. The first was granted in 2018 and the most recent in October 2025. Ya-Jun Li ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ya-Jun Li in Taipei, TW.

Patents per Year

Patents granted per year, 2018 to 2023Bar chart with a peak of 1 patents in 2018.peak 12018: 1 patents20182021: 1 patents20212023: 1 patents2023

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12433303 Cotton candy machine with air supply mechanism Fangpin ZHU 2025-10-07
11579713 Mouse device Qing-Lin Zeng 2023-02-14
11152169 Mouse device Chun-Cheng Lu 2021-10-19
10095322 Mouse roller module Chun-Cheng Lu 2018-10-09

Frequent Collaborators

Chun-Cheng Lu2 shared
Fangpin ZHU1 shared
Qing-Lin Zeng1 shared

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4