Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6386674 | Independent power supplies for color inkjet printers | George H. Corrigan, III, John M. Wade, Pere Esterri, Glenn Thomas Haddick, Jeffery Beck +1 more | 2002-05-14 |
| 6367903 | Alignment of ink dots in an inkjet printer | Paul D. Gast, James L. McCullough, Albert Serra, Xavier Gros, Jose Julio Doval +3 more | 2002-04-09 |
| 6334660 | Varying the operating energy applied to an inkjet print cartridge based upon the operating conditions | Tina R Fuchs | 2002-01-01 |
| 6302507 | Method for controlling the over-energy applied to an inkjet print cartridge using dynamic pulse width adjustment based on printhead temperature | Satya Prakash, Ronald A. Askeland, Noah Lassar | 2001-10-16 |
| 6257690 | Ink ejection element firing order to minimize horizontal banding and the jaggedness of vertical lines | — | 2001-07-10 |
| 6247787 | Print mode for improved leading and trailing edges and text print quality | Matthew Giere, Ronald A. Askeland | 2001-06-19 |
| 6217147 | Printer having media advance coordinated with primitive size | — | 2001-04-17 |
| 6154230 | Fractional dot column correction for better pen-to-pen alignment during printing | William Bland, Ian N Kirkwood | 2000-11-28 |
| 5923344 | Fractional dot column correction for scan axis alignment during printing | Scott Norum, Ronald A. Askeland, James A. Feinn, Jaime H. Bohorquez, James Robert Schmedake | 1999-07-13 |
| 5880758 | Printer with pen containing a low dot spread black ink and a high dot spread color ink | John L. Stoffel, Keshava A. Prasad, Ronald A. Askeland, Michele Shepard, Frank Drogo +2 more | 1999-03-09 |
| 5745140 | Color ink-jet printer with pigment black and dye-based color inks | John L. Stoffel, Keshava A. Prasad, Ronald A. Askeland, Michele Shepard, Frank Drogo +2 more | 1998-04-28 |
| 5726690 | Control of ink drop volume in thermal inkjet printheads by varying the pulse width of the firing pulses | Jaime H. Bohorquez, Brian Canfield, Susan Hajaran Tousi, Kenneth J. Courian, Frank Drogo | 1998-03-10 |
| 5673069 | Method and apparatus for reducing the size of drops ejected from a thermal ink jet printhead | Brian Canfield, King-Wah W. Yeung | 1997-09-30 |
| 5600351 | Inkjet printer with increased print resolution in the carriage scan axis | Ronald A. Askeland, Frank Drogo, Brian Canfield | 1997-02-04 |
| 5541625 | Method for increased print resolution in the carriage scan axis of an inkjet printer | Ronald A. Askeland, Frank Drogo, Brian Canfield | 1996-07-30 |