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

Thomas C. Hogan — 7 Patents

PCPrime Computer: 4 patents #6 of 116Top 6%
HP: 2 patents #7,666 of 16,619Top 50%
3C3Com: 1 patents #653 of 1,190Top 55%
Natick, MA: #183 of 819 inventorsTop 25%
Massachusetts: #18,077 of 88,656 inventorsTop 25%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Thomas C. Hogan has been granted 7 US patents while listed as an inventor at Prime Computer. The first was granted in 1985 and the most recent in September 2013. Thomas C. Hogan ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Thomas C. Hogan in Natick, MA, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8541961 Electron beam switch 2013-09-24 $13,690,000
8138838 Electron beam switch 2012-03-20 $12,392,000
5535337 Port circuit for a token ring concentrator having phase lock loop timing recovery with additional circuitry to verify appropriate signals Peter Williams 1996-07-09 $43,931,000
4639936 Data transmission signal apparatus Arnold E. Adelman 1987-01-27 $9,210,000
4594724 Bypass method and apparatus for debouncing a mechanical switching element in a data communications network 1986-06-10 $8,704,000
4536876 Self initializing phase locked loop ring communications system Richard G. Bahr 1985-08-20 $6,436,000
4528661 Ring communications system Richard G. Bahr 1985-07-09 $7,810,000