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

Keith W. Logan — 3 Patents

Microsoft: 3 patents #13,486 of 40,388Top 35%
Kirkland, WA: #1,453 of 3,517 inventorsTop 45%
Washington: #28,186 of 76,902 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Keith W. Logan has been granted 3 US patents while listed as an inventor at Microsoft. The first was granted in 1998 and the most recent in September 2002. Keith W. Logan ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Keith W. Logan in Kirkland, WA, US.

Patents per Year

Patents granted per year, 1998 to 2002Bar chart with a peak of 1 patents in 1998.peak 11998: 1 patents19981999: 1 patents19992002: 1 patents2002

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6449642 Method and system for integrating a client computer into a computer network Erin M. Bourke-Dunphy, Kartik N. Raghavan, George M. Jenkins, Bill Ingle 2002-09-10 $116,187,000
5968121 Method and apparatus for representing and applying network topological data Pradyumna K. Misra, Paul J. Leach, Clifford P. Van Dyke, Dave D. Straube, Arnold S. Miller 1999-10-19 $853,860,000
5708812 Method and apparatus for Migrating from a source domain network controller to a target domain network controller Clifford P. Van Dyke, Michael M. Swift, Pradyumna K. Misra 1998-01-13 $345,985,000