Robert W. Ditchburn
3Patents
3h-index
7Co-inventors
43Inventor score
Filing activity: Jun 10, 1981 → Jul 16, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5184732A | Shape sorting | Performing Operations; Transporting | 20 | Expired |
| US4461568A | Assessing the color of gemstones and the like | Physics | 16 | Expired |
| US4946045A | Sorting | Performing Operations; Transporting | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.