Phil Johnson
3Patents
1h-index
11Co-inventors
41Inventor score
Filing activity: Jun 14, 2001 → Dec 20, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6606281B2 | Personal audio player with a removable multi-function module | Physics | 77 | Expired |
| US7537490B1 | Method and device for sharing signals from a portable media player | Emerging Cross-Sectional Technologies | 1 | Active |
| US11954518B2 | User-defined metered priority queues | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.