Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7357300 | Method and apparatus for tracking documents in a workflow | Jonathan J. Hull, Jamey Graham, Dar-Shyang Lee | 2008-04-15 |
| 7129840 | Document security system | Jonathan J. Hull, Jamey Graham, Dar-Shyang Lee | 2006-10-31 |
| 6860422 | Method and apparatus for tracking documents in a workflow | Jonathan J. Hull, Jamey Graham, Dar-Shyang Lee | 2005-03-01 |
| 5161136 | Servo error detecting method of an optical disc system | — | 1992-11-03 |
| 5105416 | Optical disc recording/reproducing control | Michihara Abe | 1992-04-14 |
| 5060223 | Optical type information recording medium having specified pit and guide groove shapes | — | 1991-10-22 |