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

John C. Kan — 2 Patents

IBM: 2 patents #32,909 of 70,183Top 50%
Poughkeepsie, NY: #881 of 1,613 inventorsTop 55%
New York: #49,169 of 115,490 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
John C. Kan has been granted 2 US patents while listed as an inventor at IBM. The first was granted in 1992 and the most recent in March 2003. John C. Kan ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John C. Kan in Poughkeepsie, NY, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6528909 Motor shaft having an integral heat pipe Neal Bertram Schirle 2003-03-04 $10,423,000
5106451 Heat sink and method of attachment Carl Yakubowski 1992-04-21 $23,180,000