Harold Chen
3Patents
3h-index
4Co-inventors
36Inventor score
Filing activity: Jun 1, 1990 → Dec 30, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5180905A | Card reader apparatus with replaceable card guide | Physics | 19 | Expired |
| US5256867A | Card reader apparatus | Physics | 16 | Expired |
| USD334924S | Memory cartridge for a point of transaction terminal | General | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.