Alpha N. Doan
11Patents
8h-index
13Co-inventors
65Inventor score
Filing activity: Jul 23, 1987 → Jul 24, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4967203A | Interlace printing process | Physics | 161 | Expired |
| US5376958A | Staggered pens in color thermal ink-jet printer | Physics | 45 | Expired |
| US5583550A | Ink drop placement for improved imaging | Electricity | 26 | Expired |
| US5742304A | Ink jet painter having staggered nozzle array for color printing | Physics | 17 | Expired |
| US5764384A | Integrated chassis for automatic document feeder in a scanning unit | Electricity | 12 | Expired |
| US5547179A | Scanning unit with independent spring-loaded document control components mounted on an integrated chassis | Performing Operations; Transporting | 11 | Expired |
| US6151140A | Integrated chassis for automatic document feeder in a scanning unit | Electricity | 10 | Expired |
| US6433897B1 | Integrated chassis for automatic document feeder in a scanning unit | Electricity | 8 | Expired |
| US4865478A | Retractable pin sheet feed mechanism | Performing Operations; Transporting | 6 | Expired |
| US7280256B2 | Dust tolerant windowless scanner | Electricity | 2 | Expired |
| US6657751B1 | Dust tolerant windowless scanner | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.