WH

William G. Hawkins

Xerox: 51 patents #211 of 8,622Top 3%
WU Washington University: 11 patents #36 of 1,596Top 3%
PI Picker International: 3 patents #83 of 399Top 25%
BN Board Of Regents -Univ. Of Ne: 1 patents #2 of 3Top 70%
Philips: 1 patents #3,761 of 7,731Top 50%
📍 Chesterfield, MO: #14 of 6,461 inventorsTop 1%
🗺 Missouri: #71 of 23,789 inventorsTop 1%
Overall (All Time): #30,937 of 4,157,543Top 1%
68
Patents All Time

Issued Patents All Time

Showing 26–50 of 68 patents

Patent #TitleCo-InventorsDate
5742307 Method for electrical tailoring drop ejector thresholds of thermal ink jet heater elements Thomas E. Watrobski, Sophie V. Vandebroek 1998-04-21
5738799 Method and materials for fabricating an ink-jet printhead Cathie J. Burke, Mildred Calistri-Yeh, Diane Atkinson 1998-04-14
5710582 Hybrid ink jet printer Ivan Rezanka, Roger G. Markham, Dale R. Ims, Donald J. Drake 1998-01-20
5665249 Micro-electromechanical die module with planarized thick film layer Cathie J. Burke, Herman A. Hermanson, Michael C. Ferringer, Almon P. Fisher, Diane Atkinson 1997-09-09
5565901 Self-aligned features for accurate etched silicon transducer placement 1996-10-15
5532901 Office environment level electrostatic discharge protection Cathie J. Burke, Thomas E. Watrobski, Thomas A. Tellier, Sophie V. Vandebroek 1996-07-02
5457311 Integrated circuit fan-in for semiconductor transducer devices Donald J. Drake, Thomas A. Tellier 1995-10-10
5428498 Office environment level electrostatic discharge protection Cathie J. Burke, Thomas E. Watrobski, Thomas A. Tellier, Sophie V. Vandebroek 1995-06-27
5371395 High voltage input pad protection circuitry 1994-12-06
5371530 Thermal ink jet printhead having a switched stand-by mode Thomas A. Tellier 1994-12-06
5300968 Apparatus for stabilizing thermal ink jet printer spot size 1994-04-05
5223853 Electronic spot size control in a thermal ink jet printer Joseph J. Wysocki, Gary A. Kneezel, Richard V. LaDonna, Joseph F. Stephany, Thomas A. Tellier +1 more 1993-06-29
5208606 Directionality of thermal ink jet transducers by front face metalization Igal E. Klein, Cathie J. Burke, Roberto E. Proano 1993-05-04
5201987 Fabricating method for silicon structures Donald J. Drake, James F. O'Neill 1993-04-13
5169806 Method of making amorphous deposited polycrystalline silicon thermal ink jet transducers Olaf Muller 1992-12-08
5141596 Method of fabricating an ink jet printhead having integral silicon filter James F. O'Neill, Donald J. Drake 1992-08-25
5124717 Ink jet printhead having integral filter Michael R. Campanelli, Donald J. Drake, James F. O'Neill 1992-06-23
5096535 Process for manufacturing segmented channel structures James F. O'Neill, Roberto E. Proano 1992-03-17
5081473 Temperature control transducer and MOS driver for thermal ink jet printing chips Cathie J. Burke 1992-01-14
5075250 Method of fabricating a monolithic integrated circuit chip for a thermal ink jet printhead Cathie J. Burke 1991-12-24
5030971 Precisely aligned, mono- or multi-color, `roofshooter` type printhead Donald J. Drake 1991-07-09
5010355 Ink jet printhead having ionic passivation of electrical circuitry Cathie J. Burke, Daniel O. Roll, Pamela J. Hartman, Diane Atkinson 1991-04-23
5006202 Fabricating method for silicon devices using a two step silicon etching process Donald J. Drake, James F. O'Neill 1991-04-09
4985710 "Buttable subunits for pagewidth ""Roofshooter"" printheads" Donald J. Drake 1991-01-15
4961821 Ode through holes and butt edges without edge dicing Donald J. Drake, Michael R. Campanelli, Thomas A. Tellier 1990-10-09