Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Bobby L. Buchanan — 3 Patents

SPSpire: 1 patents #34 of 50Top 70%
Carlisle, MA: #169 of 364 inventorsTop 50%
Massachusetts: #33,482 of 88,656 inventorsTop 40%
Overall (All Time): #1,666,180 of 4,157,543Top 45%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5070026 Process of making a ferroelectric electronic component and product Anton C. Greenwald 1991-12-03
4546366 Polysilicon/silicon junction field effect transistors and integrated circuits (POSFET) 1985-10-08
4333224 Method of fabricating polysilicon/silicon junction field effect transistors 1982-06-08