Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355264 | Recording or reproducing apparatus | Osamu Nagatsuka, Hiroo Edakubo | 1994-10-11 |
| 5335129 | Interchangeable compact tape cassette | Hiroo Edakubo, Osamu Nagatsuka, Junji Kobayashi | 1994-08-02 |