Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363268 | Tape cassette | Mitsuo Utsumi, Osamu Zaitsu, Makoto Okuda | 1994-11-08 |
| 5331498 | Tape cassette including a locking slider | Mitsuo Utsumi, Osamu Zaitsu, Makoto Okuda, Tatsuhiro Yabuki | 1994-07-19 |