Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7190661 | Configuration of three-dimensional features in data recording structures | Richard L. Wilkinson, John Rilum, John R. Holmes | 2007-03-13 |
| 7102991 | Configuration of three-dimensional features in data recording structures | Richard L. Wilkinson, John Rilum, John R. Holmes | 2006-09-05 |
| 7054260 | Hybrid discs | John Rilum | 2006-05-30 |
| 7042475 | Method and apparatus for manufacturing hybrid discs | John Rilum | 2006-05-09 |
| 7016295 | Hybrid discs displaying certain dimensional values | John Rilum | 2006-03-21 |
| 6785221 | Method of producing improved three-dimensional features in data recording structures | Richard L. Wilkinson, John Rilum, John R. Holmes | 2004-08-31 |
| 6570840 | Figure of merit in optical recording structures | Richard L. Wilkinson, John Rilum, John R. Holmes | 2003-05-27 |
| 4759007 | Storage medium track pitch detector | — | 1988-07-19 |
| 4648084 | Storage medium track pitch detector | — | 1987-03-03 |
| 4566090 | Storage medium track pitch detector | — | 1986-01-21 |
| 4504939 | Storage medium track pitch detector | — | 1985-03-12 |
| 4412743 | Off-axis light beam defect detector | — | 1983-11-01 |
| 4406000 | Tracking system for optical record medium | Robert M. Shoji, John S. Chudy | 1983-09-20 |