Roger S. Johnson
2Patents
2h-index
6Co-inventors
30Inventor score
Filing activity: Nov 1, 1985 → May 16, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4704645A | Transport for tape cartridge with leader block | Physics | 23 | Expired |
| US4809099A | Transport for tape cartridge with leader block | Physics | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.