P. C. Yip
3Patents
3h-index
2Co-inventors
33Inventor score
Filing activity: Oct 1, 1985 → Dec 6, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4711988A | Electric hair dryer with multi-mode switch for air temperature and flowrate control | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US5160831A | Multi-mode control circuit and indicator arrangement for an electrical appliance | Physics | 20 | Expired |
| US4791272A | PTC hair roller | Human Necessities | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.