Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6777657 | Focusing controller for focus jump control between recording layers of multilayer disk | Yoshimichi Nishio, Yoshihiro Hashizuka, Kazunori Matsuo, Takeshi Sato, Morio Nozaki +3 more | 2004-08-17 |