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

John K. Clark — 8 Patents

CACape Analytics: 2 patents #10 of 19Top 55%
Nec: 2 patents #5,544 of 14,502Top 40%
ANAkzo N.V.: 1 patents #342 of 803Top 45%
AIAkzona Incorporated: 1 patents #122 of 274Top 45%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
John K. Clark has been granted 8 US patents while listed as an inventor at Cape Analytics. The first was granted in 1986 and the most recent in September 2025. John K. Clark ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list John K. Clark in Tokyo, CA, JP.

Patents per Year

Patents granted per year, 1986 to 2025Bar chart with a peak of 2 patents in 2025.peak 21986: 1 patents19861989: 1 patents19891991: 1 patents19911997: 1 patents19972022: 1 patents20222024: 1 patents20242025: 2 patents2025

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12416574 Measurement method, measurement device, and nontransitory computer-readable medium Shigeru Nakamura 2025-09-16
12272109 Method and system for automated debris detection Giacomo Vianello, Robert Davis, Jonathan Fisher 2025-04-08
11933610 Optical tomography system and method of using Shigeru Nakamura 2024-03-19
11367265 Method and system for automated debris detection Giacomo Vianello, Robert Davis, Jonathan Fisher 2022-06-21
5598708 Phase responsive fluid delivery 1997-02-04
4993303 Hornette 1991-02-19
4801753 Biologically active tricyclic compounds and pharmaceutical compositions containing same David S. Savage, Thomas Sleigh 1989-01-31
4613619 Anti-arrhythmic amino-alcohols Thomas Sleigh, David S. Savage 1986-09-23