Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6762806 | Display device provided with a holder for housing the light source the light guide plate and the non-light emitting display device | Hiroto Matsuo, Naoki Tsukamoto, Tatsumi Segawa | 2004-07-13 |
| 6744716 | Pickup moving mechanism for optical disk apparatus and pickup moving method therefor | — | 2004-06-01 |
| 6434096 | Optical information recording/reproducing device | Noritaka Akagi, Tsutomu Kai, Shuichi Yoshida, Kiyoshi Masaki, Teruyuki Naka +1 more | 2002-08-13 |