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

John Todd — 4 Patents

DIDade International: 2 patents #5 of 88Top 6%
SOSolexa: 1 patents #10 of 27Top 40%
Lafayette, CA: #187 of 569 inventorsTop 35%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John Todd has been granted 4 US patents while listed as an inventor at Dade International. The first was granted in 1995 and the most recent in April 2008. John Todd ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John Todd in Lafayette, CA, US.

Patents per Year

Patents granted per year, 1995 to 2008Bar chart with a peak of 1 patents in 1995.peak 11995: 1 patents19951997: 1 patents19971998: 1 patents19982008: 1 patents2008

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7351532 DNA sequence analysis Harold Philip Swerdlow, Colin Barnes, Richard Michael Durbin 2008-04-01
5747240 Epitope mapping of the c33 region of HCV John A. Kink, Terence E. Ryan, Badr Saeed 1998-05-05
5635346 Assay for Non-A Non-B hepatitis David C. Leahy, Michael E. Jolley, Dinesh O. Shah, Delia R. Bethell, Terukatsu Arima 1997-06-03
5437974 DNA sequence and encoded polypeptide useful in the diagnosis of hepatitis disease Terence E. Ryan, Badr Saeed, Mark K. Kieselburg, Robert E. Byrne, Priscilla Wilkins Stevens +1 more 1995-08-01