Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5056076 | Method for controlling the rotational velocity of an information recording disk | Hiroshi Fuji, Tomiyuki Numata, Tsuneo Fujiwara, Shigeo Terashima | 1991-10-08 |
| 5018120 | Optical recording medium track indexing system | Tsuneo Fujiwara, Hiroshi Fuji, Shigeo Terashima, Tomiyuki Numata | 1991-05-21 |
| 5010540 | Apparatus for recording and reproducing information on and from an optical disk | Hiroshi Fuji, Tsuneo Fujiwara, Takashi Iwaki, Tomiyuki Numata, Shigemi Maeda +4 more | 1991-04-23 |
| 4993012 | Record face identifying device for magneto-optic record medium | Hiroshi Fuji, Tomiyuki Numata, Tsuneo Fujiwara | 1991-02-12 |
| 4862443 | Sync signal detection apparatus for accurately synchronizing reproduced data | Shigemi Maeda, Takeshi Yamaguchi, Toshihisa Deguchi, Noriaki Sakamoto, Shigeo Terashima | 1989-08-29 |