Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4949328 | Disk player for playing both sides of a disk or multiple disks without ejection thereof and a disk player with a disk being played that overlaps disks stored in a storage receptor | Masao Kase, Toshiaki Koizumi, Masakazu Yamashita, Kenji Tanaka, Ryo Matsuura | 1990-08-14 |
| 4845700 | Front loading disc player | Toshiaki Koizumi, Masao Kase, Masakazu Yamashita, Kenji Tanaka, Ryo Matsuura | 1989-07-04 |