Keith P. Johnson
4Patents
2h-index
7Co-inventors
41Inventor score
Filing activity: Mar 1, 1994 → Oct 5, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6563927B2 | Back cover for a mobile phone | Electricity | 36 | Expired |
| US6463262B1 | Radio telephone | Electricity | 22 | Expired |
| US5454174A | Position setting device and securing arrangement for an extensometer | Physics | 2 | Expired |
| US12246262B2 | Illuminated support rails for pinball machines | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.