Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
TC

Tao Chang — 2 Patents

Abbott: 2 patents #2,462 of 5,431Top 50%
Saratoga, CA: #1,769 of 2,933 inventorsTop 65%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,275,169 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5699509 Method and system for using inverted data to detect corrupt data Scott Gary, David Pope 1997-12-16
5522798 Control of a multi-channel drug infusion pump using a pharmacokinetic model Noel L. Johnson, Jyh-Yi T. Huang 1996-06-04