Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chuck Y. Chan — 2 Patents

Microsoft: 2 patents #17,644 of 40,388Top 45%
Bellevue, WA: #3,497 of 6,950 inventorsTop 55%
Washington: #35,700 of 76,902 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Chuck Y. Chan has been granted 2 US patents while listed as an inventor at Microsoft. The first was granted in 1999 and the most recent in March 2002. Chuck Y. Chan ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Chuck Y. Chan in Bellevue, WA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6360230 Method and system for uniformly accessing multiple directory services Krishna Ganugapati, Margaret K. Johnson, Steven G. Judd, Stuart L. S. Kwan, Colin Watson 2002-03-19 $145,303,000
5893107 Method and system for uniformly accessing multiple directory services Krishna Ganugapati, Margaret K. Johnson, Steven G. Judd, Stuart L. S. Kwan, Colin Watson 1999-04-06 $472,732,000