Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Fred Leung — 2 Patents

CSCatalyst Semiconductor: 1 patents #21 of 41Top 55%
NSNational Semiconductor: 1 patents #1,247 of 2,238Top 60%
Cupertino, CA: #4,084 of 6,989 inventorsTop 60%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Fred Leung has been granted 2 US patents while listed as an inventor at Catalyst Semiconductor. All of these patents were granted in 1998. Fred Leung ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Fred Leung in Cupertino, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5764586 Intermediate size non-volatile electrically alterable semiconductor memory device Radu Vanco, Gelu Voicu, Dumitru Cioaca 1998-06-09 $122,000
5748981 Microcontroller with in-circuit user programmable microcode Paul J. Patchen, Hon Chung Fung, Steven McGinness 1998-05-05 $10,740,000