Philip E. Rollhaus
4Patents
3h-index
6Co-inventors
39Inventor score
Filing activity: Jul 30, 1997 → Jan 29, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6011772A | Machine-readable optical disc with reading-inhibit agent | Physics | 103 | Expired |
| US6434109B1 | Machine-readable optical disc with reading-inhibit agent | Physics | 45 | Expired |
| US6343063B1 | Machine-readable optical disc with reading-inhibit agent | Physics | 30 | Expired |
| USRE42011E1 | Machine-readable optical disc with reading-inhibit agent | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.