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

John Kwan — 9 Patents

KEKwan Sofware Engineering: 6 patents #1 of 1Top 100%
HP: 3 patents #5,824 of 16,619Top 40%
Santa Clara, CA: #1,939 of 9,301 inventorsTop 25%
California: #67,547 of 386,348 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
John Kwan has been granted 9 US patents while listed as an inventor at Kwan Sofware Engineering. The first was granted in 2001 and the most recent in January 2016. John Kwan ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list John Kwan in Santa Clara, CA, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9229957 Reference objects and/or facial/body recognition 2016-01-05
8433899 System and method for authenticating data using incompatible digest functions 2013-04-30
8285995 System and method for digitally marking a file with a removable mark 2012-10-09
7530061 Programmatic access to the widest mode floating-point arithmetic supported by a processor Vatsa Santhanam, David Gross 2009-05-05 $25,251,000
7480796 System and method for authenticating data using incompatible digest functions 2009-01-20
6792535 System and method for digitally marking a file with a removable mark 2004-09-14
6748587 Programmatic access to the widest mode floating-point arithmetic supported by a processor Vatsa Santhanam, David Gross 2004-06-08 $12,707,000
6434701 System and method for digitally marking a file 2002-08-13
6247174 Optimization of source code with embedded machine instructions Vatsa Santhanam, David Gross 2001-06-12 $28,206,000