Issued Patents 2004
Showing 1–2 of 2 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, Hitoshi Yamazaki +3 more | 2004-08-17 |
| 6680886 | Liquid crystal tilt servo apparatus | Shinichi Naohara, Takeshi Sato, Hitoshi Yamazaki, Norio Matsuda | 2004-01-20 |