Paul Key
7Patents
3h-index
8Co-inventors
50Inventor score
Filing activity: Aug 9, 1976 → Nov 16, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4178113A | Buffer storage apparatus for semiconductor wafer processing | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4047023A | Color mark detector with pulsed source and synchronous demodulation | Physics | 21 | Expired |
| US4101784A | Color mark detector | Physics | 18 | Expired |
| US4187421A | Optical relay | Electricity | 3 | Expired |
| US10159857B2 | Personal air filtration apparatus and method | Human Necessities | 3 | Active |
| US11285344B2 | Personal air filtration apparatus and method | Performing Operations; Transporting | 1 | Active |
| US10967208B2 | Personal air filtration apparatus and method | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.