Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5450254 | Automatic cassette changer | Keiji Sato, Motofumi Itawaki, Tetsuro Tsubota, Wataru Nonaka | 1995-09-12 |
| 5416650 | Automatic cassette changer | Nobuo Uda, Motofumi Itawaki | 1995-05-16 |