Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612940 | Disc cartridge for receiving a disk and mechanism for preventing an incorrect insertion of a cartridge | Yasuo Otsuka, Tohru Sasaki | 1997-03-18 |
| 5606547 | Optical disc cartridge and mechanism for preventing an incorrect insertion of a cartridge | Yasuo Otsuka, Tohru Sasaki | 1997-02-25 |