Fred D. Johnson
7Patents
4h-index
8Co-inventors
50Inventor score
Filing activity: Sep 22, 1980 → Jun 13, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4370674A | Stabilization network for a cathode ray tube | Electricity | 19 | Expired |
| US4446443A | Amplifier having reduced power dissipation and improved slew rate | Electricity | 18 | Expired |
| US4390817A | Integratable CRT spot cut-off network | Electricity | 9 | Expired |
| US8720445B2 | Tracheal tube with colorimetric CO2 indicator | Human Necessities | 5 | Active |
| US4347528A | G2 Set-up circuit for a television receiver | Electricity | 3 | Expired |
| US4309718A | Service switch arrangement for low level matrixing type television receiver | Electricity | 2 | Expired |
| US4825294A | Anti-flaring video output amplifier circuit and technique | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.