Roy D. Hoffer
4Patents
4h-index
3Co-inventors
39Inventor score
Filing activity: Aug 1, 1986 → Feb 28, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5136216A | AC motor drive system | Electricity | 30 | Expired |
| US4697122A | Slow acting photo lamp control | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5146147A | AC motor drive system | Electricity | 21 | Expired |
| US4798998A | Electronically dimmed power limited lighting system | Electricity | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.