Inventor · disambiguated record
Alpha N. Doan
Also filed as: DOAN ALPHA · DOAN ALPHA N
11 granted patents·1 pending application·412 citations·filing 1987–2003
92Inventor score
Top patents by PatentIndex Score
12 records- 0194US4967203AInterlace printing processHEWLETT PACKARD CO·Filed 1989·Granted Oct 30, 1990·218 cites·16 claims
- 0281US5376958AStaggered pens in color thermal ink-jet printerHEWLETT PACKARD CO·Filed 1992·Granted Dec 27, 1994·56 cites·8 claims
- 0378US6433897B1Integrated chassis for automatic document feeder in a scanning unitHEWLETT PACKARD CO·Filed 2000·Granted Aug 13, 2002·14 cites·15 claims
- 0475US5742304AInk jet painter having staggered nozzle array for color printingHEWLETT PACKARD CO·Filed 1996·Granted Apr 21, 1998·26 cites·8 claims
- 0574US5583550AInk drop placement for improved imagingHEWLETT PACKARD CO·Filed 1993·Granted Dec 10, 1996·32 cites·6 claims
- 0665US5764384AIntegrated chassis for automatic document feeder in a scanning unitHEWLETT PACKARD CO·Filed 1994·Granted Jun 9, 1998·19 cites·20 claims
- 0760US7280256B2Dust tolerant windowless scannerHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Oct 9, 2007·4 cites·19 claims
- 0858US5547179AScanning unit with independent spring-loaded document control components mounted on an integrated chassisHEWLETT PACKARD CO·Filed 1994·Granted Aug 20, 1996·15 cites·21 claims
- 0956US6151140AIntegrated chassis for automatic document feeder in a scanning unitHEWLETT PACKARD CO·Filed 1997·Granted Nov 21, 2000·16 cites·1 claims
- 1054US6657751B1Dust tolerant windowless scannerHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Dec 2, 2003·2 cites·10 claims
- 1154US4865478ARetractable pin sheet feed mechanismHEWLETT PACKARD CO·Filed 1987·Granted Sep 12, 1989·10 cites·2 claims
- 1230US2002001013A1Ink jet printer having staggered nozzle array for color printingHEWLETT PACKARD CO·Filed 1998·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →