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

Yiqin Chen — 3 Patents

AMD: 3 patents #3,734 of 9,280Top 45%
Ames, IA: #418 of 1,427 inventorsTop 30%
Iowa: #4,706 of 15,303 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Yiqin Chen has been granted 3 US patents while listed as an inventor at AMD. The first was granted in 2002 and the most recent in February 2009. Yiqin Chen ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Yiqin Chen in Ames, IA, US.

Patents per Year

Patents granted per year, 2002 to 2009Bar chart with a peak of 1 patents in 2002.peak 12002: 1 patents20022008: 1 patents20082009: 1 patents2009

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7496155 Duty cycle correction of a multi-gigahertz clock signal with crossover point control Jinghui Lu 2009-02-24 $13,124,000
7406118 Programmable logic device including programmable multi-gigabit transceivers Eric D. Groen, Charles W. Boecker, William C. Black, Scott A. Irwin, Joseph Neil Kryzak +2 more 2008-07-29 $11,036,000
6356160 Phase lock loop and automatic gain control circuitry for clock recovery Moises E. Robinson, Bernard L. Grung 2002-03-12 $58,114,000