Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Keith C. Redfield — 2 Patents

Cisco: 1 patents #7,948 of 13,007Top 65%
San Jose, CA: #17,797 of 32,062 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
Keith C. Redfield has been granted 2 US patents while listed as an inventor at Cisco. The first was granted in 2002 and the most recent in August 2009. Keith C. Redfield ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Keith C. Redfield in San Jose, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7574202 System and methods for a secure and segregated computer network Robert Tsao, David G. Thirlwall, Graham N. Gillies, Grant D. Speakman 2009-08-11
6360255 Automatically integrating an external network with a network management system John McCormack, Narayan Thyagarajan 2002-03-19 $894,648,000