Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699334 | Control devices for optical disk based on driving signal saturation | Shin-ichi Yamada, Takeharu Yamamoto, Yasuaki Edahiro | 1997-12-16 |
| 5663942 | Jitter measurement apparatus detecting amplitude of phase errors between information signal and synchronized clock signal | Hiromichi Ishibashi, Motoyuki Kobayashi | 1997-09-02 |
| 5650984 | Method for causing a light beam to jump from an initial track to a target track | Hiroyuki Yamaguchi, Toshiyuki Kinou, Shinichi Yamada | 1997-07-22 |
| 5610879 | Optical reproducing device, optical reproducing method using the same, and optical record medium used in the same | Hiromichi Ishibashi, Takeo Ohta, Yasuhiro Sugihara | 1997-03-11 |