Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6227477 | Data storage cassette and data recording and reproducing device | Shoji Komatsuzaki, Yoshihiro Endo, Takumi Usui | 2001-05-08 |
| 5864522 | Auto disc changer | Shigeki Sugano, Takashi Ando, Shoji Komatsuzaki, Takumi Usui, Morio Kurihara | 1999-01-26 |