Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817097 | Method of and device for pulse-mode driving a semi-conductor laser | — | 1989-03-28 |
| 4731780 | Optical recording element | Petrus J. Kivits, Martinus Maria Sens | 1988-03-15 |