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

Alan C. Marshall

Panasonic: 1 patents #13,264 of 21,108Top 65%
Framingham, MA: #495 of 1,271 inventorsTop 40%
Massachusetts: #33,482 of 88,656 inventorsTop 40%
Overall (All Time): #1,566,503 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7659786 Ring oscillator Paul Bonwick 2010-02-09
5132926 Token ring equalizer Stuart P. MacEachern, Howard C. Salwen 1992-07-21
5090025 Token ring synchronization Stuart P. MacEachern, Howard C. Salwen 1992-02-18