Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |