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

Jack Liu — 4 Patents

Amazon: 1 patents #10,717 of 19,158Top 60%
New York, NY: #4,832 of 20,192 inventorsTop 25%
New York: #31,814 of 115,490 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Jack Liu has been granted 4 US patents while listed as an inventor at Amazon. The first was granted in 1989 and the most recent in June 2014. Jack Liu ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Jack Liu in New York, NY, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D707123 Box closure flap Paul Clayton Marchetti, Paul Grady Russell, Joselito (Jay) T. Crespo, Karl Anton Bakker 2014-06-17
D434927 Storage cabinet Chau-Ho Chu, Kam-Kai Lai 2000-12-12
5457852 Clasp for medallions or the like 1995-10-17
4848562 Pin collector bag 1989-07-18