SH

Stuart D. Howkins

EX ExxonMobil: 6 patents #1,824 of 10,161Top 20%
DP Data Products: 2 patents #28 of 148Top 20%
HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%
HS Hitachi Koki Imaging Solutions: 1 patents #4 of 17Top 25%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #321,182 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9944070 Determination of a maximum jetting frequency for an inkjet head Charles A. Willus 2018-04-17
6932458 Obtaining high frequency performance by controlling chamber pressure Charles A. Willus 2005-08-23
6893112 Structurally isolated inertial transducers for a printing system Charles A. Willus 2005-05-17
6719390 Short delay phased firing to reduce crosstalk in an inkjet printing device Charles A. Willus, Osamu Machida 2004-04-13
6394589 Ink jet printhead with reduced crosstalk Charles A. Willus, Nobuhiro Noto, Yoshitaka Akiyama 2002-05-28
6050679 Ink jet printer transducer array with stacked or single flat plate element 2000-04-18
4973980 Acoustic microstreaming in an ink jet apparatus John A. McCormick 1990-11-27
4788557 Ink jet method and apparatus for reducing cross talk 1988-11-29
4697193 Method of operating an ink jet having high frequency stable operation 1987-09-29
4686539 Multipulsing method for operating an ink jet apparatus for printing at high transport speeds Lisa M. Schmidle 1987-08-11
4646106 Method of operating an ink jet 1987-02-24
4593291 Method for operating an ink jet device to obtain high resolution printing 1986-06-03
4523200 Method for operating an ink jet apparatus 1985-06-11
4509059 Method of operating an ink jet 1985-04-02
4459601 Ink jet method and apparatus 1984-07-10