Dean Liu
6Patents
3h-index
7Co-inventors
50Inventor score
Filing activity: Dec 21, 1987 → Jun 21, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4788727A | Collapsible base for beds | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6198890A | Electrophotographic color printing arrangement with inclined photoreceptor path | Physics | 6 | Expired |
| US4933038A | Method and apparatus for making electrical heater pad | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7526229B1 | Belt tension mechanism of an image forming device | Physics | 2 | Active |
| US12038681B2 | Projection optical path and projection device | Physics | 0 | Active |
| US6731894B2 | Protective shutter for an electrophotographic apparatus having a replaceable developer cartridge | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.