Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882719 | Disk playing method for disk player | Toshiyuki Kimura, Yoshio Aoyagi | 1989-11-21 |
| 4855979 | Disk playing method for disk player | Toshiyuki Kimura, Yoshio Aoyagi | 1989-08-08 |
| 4841506 | Random playing method for disk player | Kazuhiro Kiyoura, Toshiyuki Kimura, Yoshio Aoyagi, Kazunari Nakamura | 1989-06-20 |