Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805060 | Cassette tape recording and/or reproducing apparatus and casettes for use therein | Sachio Ueda | 1989-02-14 |
| 4786996 | Cassette tape with guiderails on cassette holder apparatus | Sachio Ueda | 1988-11-22 |