Dennis D. Duffy
7Patents
5h-index
7Co-inventors
52Inventor score
Filing activity: Jul 31, 1990 → Dec 30, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5262907A | Hard disc drive with improved servo system | Physics | 128 | Expired |
| US5162954A | Apparatus for generating an index pulse in a data storage system | Physics | 47 | Expired |
| US6084738A | Writing servo information to a disc drive at a constant density | Physics | 39 | Expired |
| US6118604A | Constant density servo information in a disc drive | Physics | 31 | Expired |
| US5237464A | Differential slimmer | Physics | 7 | Expired |
| US6538837B1 | Method of aligning servo wedges in a disc drive | Physics | 5 | Expired |
| US5237463A | Differential slimmer | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.