Pierce Johnson, Jr.
5Patents
5h-index
7Co-inventors
56Inventor score
Filing activity: Apr 14, 1986 → Mar 25, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6262534A | Lamp having light source mounted directly to stem | Electricity | 22 | Expired |
| US9569255B1 | Persistent state machine | Physics | 17 | Active |
| US4686412A | Reflector-type lamp having reduced focus loss | Electricity | 16 | Expired |
| US4918354A | Compact coiled coil incandescent filament with supports and pitch control | Electricity | 10 | Expired |
| US4683397A | Compact incandescent coiled coil filament | Electricity | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.