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

Karl Chen — 4 Patents

Microsoft: 1 patents #24,968 of 40,388Top 65%
San Jose, CA: #12,472 of 32,062 inventorsTop 40%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Karl Chen has been granted 4 US patents while listed as an inventor at Microsoft. The first was granted in 1996 and the most recent in November 2025. Karl Chen ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Karl Chen in San Jose, CA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12475171 Identifying similar content in a multi-item embedding space Andrew Huan Zhai, Charles J. Rosenberg 2025-11-18
8935677 Automatic reverse engineering of input formats Weidong Cui, Marcus Peinado, Jiahe Helen Wang, Luis Irun-Briz 2015-01-13 $32,048,000
5933652 Host independent peripheral controller with on-board firmware Dean Huang 1999-08-03
5586268 Multiple peripheral adapter device driver architecture Yu-Ping Cheng 1996-12-17