Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882721 | Offset for protection against amorphous pips | Johannes J. Verboom | 1989-11-21 |
| 4700056 | Objective lens focus initialization system | Dorrel R. Silvy, Todd D. Baumann | 1987-10-13 |
| 4695994 | Method and apparatus for varying laser intensity level | Christiaan Steenbergen, Peter Howard, Henk A. Van der Put | 1987-09-22 |
| 4680594 | Single beam direct read during write and write protect system for use in an optical data storage system | — | 1987-07-14 |
| 4606016 | Write protection and data detection using differential detector | Johannes J. Verboom | 1986-08-12 |
| 4594717 | Driver circuit for laser diode | Dorrel R. Silvey | 1986-06-10 |