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

Liu Qiyuan — 1 Patent

MEMethode Electronics: 1 patents #135 of 253Top 55%
Sigourney, IA: #16 of 30 inventorsTop 55%
Iowa: #8,818 of 15,303 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Liu Qiyuan has been granted 1 US patent while listed as an inventor at Methode Electronics. All of these patents were granted in 1998. Liu Qiyuan ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Liu Qiyuan in Sigourney, IA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5763793 Error correcting torque sensor Harris Ng, John A. De Franco, Matthew LaCourse, Mohan J. Devsam 1998-06-09