Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5130967 | On/off-track detecting apparatus for compatible disk player | Hozumi Tanaka, Ryuichiro Yoshimura | 1992-07-14 |
| 4899326 | Magazine-housed disk player | Noriyoshi Takeya, Hidehiro Ishii, Osamu Watanabe, Junichi Yoshio, Kazuhiko Katakami | 1990-02-06 |
| 4885644 | Spindle servo device for data recording disk reproducing apparatus | Hidehiro Ishii, Junichi Yoshio, Osamu Watanabe, Noriyoshi Takeya, Kazuhiko Katakami +2 more | 1989-12-05 |
| 4872068 | Disk playing method resulting in reduced start-up time | Hidehiro Ishii, Junichi Yoshio, Osamu Watanabe, Noriyoshi Takeya, Kazuhiko Katakami +2 more | 1989-10-03 |