Peter J. Keller
12Patents
6h-index
9Co-inventors
59Inventor score
Filing activity: Dec 6, 1996 → May 2, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6587403B1 | Music jukebox | Physics | 510 | Expired |
| US6587404B1 | Optical storage device capable of recording a set of sound tracks on a compact disc | Physics | 334 | Expired |
| US6172948A | Optical storage device | Physics | 331 | Expired |
| US6621768B1 | Compact disc recorder | Physics | 325 | Expired |
| US6618462B1 | Digital frequency divider | Physics | 24 | Expired |
| US7289393B2 | Music jukebox | Physics | 21 | Expired |
| US5706740A | Tree shelf | Human Necessities | 6 | Expired |
| US7817502B2 | Method of using a personal digital stereo player | Physics | 1 | Active |
| US8400888B2 | Personal digital stereo player having controllable touch screen | Physics | 0 | Active |
| US12377443B2 | Recovery of higher volume and higher quality recyclables from a mixed stream | Emerging Cross-Sectional Technologies | 0 | Active |
| US11998953B2 | Recovery of higher volume and higher quality recyclables from a mixed stream | Emerging Cross-Sectional Technologies | 0 | Active |
| US7933171B2 | Personal digital stereo player | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.