ET

Ellen R. Tappon

HP HP: 17 patents #8,774 of 16,619Top 55%
Overall (All Time): #278,949 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7511808 Analyte stages including tunable resonant cavities and Raman signal-enhancing structures William M. Tong, Sean Spillane, Phillip J. Kuekes 2009-03-31
5648805 Inkjet printhead architecture for high speed and high resolution printing Brian J. Keefe, May F. Ho, Kenneth J. Courian, Steven W. Steinfield, Winthrop D. Childers +4 more 1997-07-15
5638101 High density nozzle array for inkjet printhead Brian J. Keefe, May F. Ho, Kenneth J. Courian, Steven W. Steinfield, Winthrop D. Childers +4 more 1997-06-10
5635968 Thermal inkjet printer printhead with offset heater resistors Eldurkar V. Bhaskar, Marzio Leban, Ulrich Hess, Niels J. Nielsen, Kenneth E. Trueba +1 more 1997-06-03
5619236 Self-cooling printhead structure for inkjet printer with high density high frequency firing chambers Brian J. Keefe, May F. Ho, Kenneth J. Courian, Steven W. Steinfield, Winthrop D. Childers +4 more 1997-04-08
5608436 Inkjet printer printhead having equalized shelf length Kit Baughman, Jeffrey A. Kahn, Paul H. McClelland, Kenneth E. Trueba 1997-03-04
5604519 Inkjet printhead architecture for high frequency operation Brian J. Keefe, May F. Ho, Kenneth J. Courian, Steven W. Steinfield, Winthrop D. Childers +4 more 1997-02-18
5594481 Ink channel structure for inkjet printhead Brian J. Keefe, May F. Ho, Kenneth J. Courian, Steven W. Steinfield, Winthrop D. Childers +4 more 1997-01-14
5563642 Inkjet printhead architecture for high speed ink firing chamber refill Brian J. Keefe, May F. Ho, Kenneth J. Courian, Steven W. Steinfield, Winthrop D. Childers +4 more 1996-10-08
5463413 Internal support for top-shooter thermal ink-jet printhead May F. Ho 1995-10-31
5441593 Fabrication of ink fill slots in thermal ink-jet printheads utilizing chemical micromachining Kit Baughman, Jeffrey A. Kahn, Paul H. McClelland, Kenneth E. Trueba 1995-08-15
5417897 Method for forming tapered inkjet nozzles Stuart D. Asakawa, Paul H. McClelland, Richard R. Vandepoll, Kenneth E. Trueba, Chien-Hua Chen 1995-05-23
5387314 Fabrication of ink fill slots in thermal ink-jet printheads utilizing chemical micromachining Kit Baughman, Jeffrey A. Kahn, Paul H. McClelland, Kenneth E. Trueba 1995-02-07
5378137 Mask design for forming tapered inkjet nozzles Stuart D. Asakawa, Paul H. McClelland, Richard R. Vandepoll, Kenneth E. Trueba, Chien-Hua Chen 1995-01-03
5350616 Composite orifice plate for ink jet printer and method for the manufacture thereof Alfred I-Tsung Pan 1994-09-27
5213876 Flexible circuit card with laser-contoured VIAs and machined capacitors John B. Smyth, Jr. 1993-05-25
5066357 Method for making flexible circuit card with laser-contoured vias and machined capacitors John B. Smyth, Jr. 1991-11-19