Issued Patents All Time
Showing 1–3 of 3 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 |
| 6606284 | Gain controlling apparatus and method, information reproducing apparatus and method, and information recording apparatus and method | Masato Sakamoto, Katsunori Tamamura, Norikazu Tada, Atsushi Kusaka, Akihito Fujiwara +1 more | 2003-08-12 |
| 6510112 | Drive apparatus for optical recording medium | Masato Sakamoto, Katsunori Tamamura, Norikazu Tada, Atsushi Kusaka, Akihito Fujiwara +1 more | 2003-01-21 |