Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D328601 | Clock radio | — | 1992-08-11 |
| D310527 | Combined tape player and tuner | Kazuharu Yamamoto | 1990-09-11 |
| D310528 | Combined tape player and tuner | Kazuharu Yamamoto | 1990-09-11 |