Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879705 | Automatic loading disc player | Yoshio Aoyagi, Hiroyuki Hirano, Toshiyuki Kimura, Susumu Niinuma, Minoru Yoshioka +6 more | 1989-11-07 |
| 4829502 | Automatic loading disc player | Yoshiro Aoyagi, Toshiyuki Kimura, Susumu Niinuma, Minoru Yoshioka, Fumihiko Yokogawa +6 more | 1989-05-09 |