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

Stephen Lai — 7 Patents

ZEZenith Electronics: 3 patents #112 of 411Top 30%
ZRZenith Radio: 3 patents #28 of 184Top 20%
Rantoul, IL: #39 of 340 inventorsTop 15%
Illinois: #13,121 of 84,256 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Stephen Lai has been granted 7 US patents while listed as an inventor at Zenith Electronics. The first was granted in 1981 and the most recent in March 2006. Stephen Lai ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Stephen Lai in Rantoul, IL, US.

Patents per Year

Patents granted per year, 1981 to 2006Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19811982: 1 patents19821984: 1 patents19841985: 1 patents19851986: 1 patents19861987: 1 patents19872006: 1 patents2006

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7011606 Successive sliding exerciser Frank Zngf 2006-03-14
4651062 Beam current compensation for vertical size in a digital TV Gopal K. Srivastava 1987-03-17 $1,994,000
4591910 Horizontal picture centering Gopal K. Srivastava 1986-05-27 $2,294,000
4525682 Biased current mirror having minimum switching delay Gopal K. Srivastava 1985-06-25 $1,267,000
4446482 System for generating 2H pulses in a television receiver Gopal K. Srivastava 1984-05-01 $2,778,000
4346398 Automatic clock phase selector 1982-08-24 $2,240,000
4298890 Digital vertical synchronization system for a television receiver Gopal K. Srivastava 1981-11-03 $723,000