Inventor · disambiguated record
Ellen R. Tappon
Also filed as: TAPPON ELLEN · TAPPON ELLEN R
17 granted patents·1,449 citations·filing 1990–2006
96Inventor score
Top patents by PatentIndex Score
17 records- 0198US5387314AFabrication of ink fill slots in thermal ink-jet printheads utilizing chemical micromachiningHEWLETT PACKARD CO·Filed 1993·Granted Feb 7, 1995·287 cites·18 claims
- 0296US5635968AThermal inkjet printer printhead with offset heater resistorsHEWLETT PACKARD CO·Filed 1994·Granted Jun 3, 1997·171 cites·14 claims
- 0395US5463413AInternal support for top-shooter thermal ink-jet printheadHEWLETT PACKARD CO·Filed 1993·Granted Oct 31, 1995·126 cites·15 claims
- 0493US5594481AInk channel structure for inkjet printheadHEWLETT PACKARD CO·Filed 1994·Granted Jan 14, 1997·96 cites·19 claims
- 0593US5441593AFabrication of ink fill slots in thermal ink-jet printheads utilizing chemical micromachiningHEWLETT PACKARD CORP·Filed 1994·Granted Aug 15, 1995·78 cites·7 claims
- 0693US5066357AMethod for making flexible circuit card with laser-contoured vias and machined capacitorsHEWLETT PACKARD CO·Filed 1990·Granted Nov 19, 1991·118 cites·25 claims
- 0792US5608436AInkjet printer printhead having equalized shelf lengthHEWLETT PACKARD CO·Filed 1994·Granted Mar 4, 1997·73 cites·5 claims
- 0892US5417897AMethod for forming tapered inkjet nozzlesHEWLETT PACKARD CO·Filed 1994·Granted May 23, 1995·86 cites·11 claims
- 0991US5604519AInkjet printhead architecture for high frequency operationHEWLETT PACKARD CO·Filed 1994·Granted Feb 18, 1997·83 cites·22 claims
- 1090US5648805AInkjet printhead architecture for high speed and high resolution printingHEWLETT PACKARD CO·Filed 1994·Granted Jul 15, 1997·77 cites·20 claims
- 1189US5638101AHigh density nozzle array for inkjet printheadHEWLETT PACKARD CO·Filed 1994·Granted Jun 10, 1997·69 cites·16 claims
- 1288US5350616AComposite orifice plate for ink jet printer and method for the manufacture thereofHEWLETT PACKARD CO·Filed 1993·Granted Sep 27, 1994·76 cites·10 claims
- 1381US5378137AMask design for forming tapered inkjet nozzlesHEWLETT PACKARD CO·Filed 1993·Granted Jan 3, 1995·38 cites·8 claims
- 1480US7511808B2Analyte stages including tunable resonant cavities and Raman signal-enhancing structuresHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Mar 31, 2009·7 cites·21 claims
- 1575US5563642AInkjet printhead architecture for high speed ink firing chamber refillHEWLETT PACKARD CO·Filed 1994·Granted Oct 8, 1996·28 cites·22 claims
- 1669US5619236ASelf-cooling printhead structure for inkjet printer with high density high frequency firing chambersHEWLETT PACKARD CO·Filed 1996·Granted Apr 8, 1997·23 cites·26 claims
- 1749US5213876AFlexible circuit card with laser-contoured VIAs and machined capacitorsHEWLETT PACKARD CO·Filed 1991·Granted May 25, 1993·13 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →