Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
YC

Yi-Lin Chu

PRPrinco: 2 patents #5 of 16Top 35%
PAPrinco America: 1 patents #4 of 7Top 60%
PFPrinco Middle East Fze: 1 patents #6 of 10Top 60%
Overall (All Time): #958,736 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11474128 Metal probe structure and method for fabricating the same Hung-sheng Ku 2022-10-18
8801402 Air compression device Yi-Hung Hsu 2014-08-12
8796401 Polymerization of high viscosity materials 2014-08-05
8757992 Air compression device 2014-06-24
6924020 Optical disk substrate, optical disk, and method of forming the same 2005-08-02