Paul Ku
9Patents
5h-index
7Co-inventors
56Inventor score
Filing activity: Oct 30, 1975 → Mar 25, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4193389A | Solar radiant energy umbrella | Emerging Cross-Sectional Technologies | 41 | Expired |
| US3961496A | Portable air conditioner | Performing Operations; Transporting | 27 | Expired |
| US4173809A | Automatic vacuum cleaner | Human Necessities | 17 | Expired |
| US4051692A | Cooling apparatus for automobile passenger compartment | Performing Operations; Transporting | 7 | Expired |
| US4129994A | Instant-cooling ice-maker air conditioner | Performing Operations; Transporting | 5 | Expired |
| US11593801B1 | Systems and methods for improved verification of transactions | Physics | 1 | Active |
| US4321646A | Voltage disconnect and supplemental heater device | Electricity | 1 | Expired |
| US11941628B1 | Systems and methods for improved verification of transactions | Physics | 0 | Active |
| US12417456B2 | Systems and methods for improved verification of transactions | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.