Ronald J. Johnsen
5Patents
4h-index
8Co-inventors
46Inventor score
Filing activity: Aug 15, 1990 → Oct 22, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5600718A | Apparatus and method for adaptively precompensating for loudspeaker distortions | Electricity | 31 | Expired |
| US5115493A | Continuous laser printer for printing over page boundaries | Physics | 21 | Expired |
| US5825375A | Ink jet system with serial data printheads | Performing Operations; Transporting | 11 | Expired |
| US5606349A | Ink jet system with serial data printheads | Performing Operations; Transporting | 11 | Expired |
| US6215391A | Variable frequency buzzer assembly | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.