Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D307142 | Combined tape recorder and radio receiver | — | 1990-04-10 |
| D290112 | Combined radio receiver and tape player | Jyoji Kukita, Naoki Tsukamoto | 1987-06-02 |
| D290113 | Cassette tape player | Jyoji Kukita, Naoki Tsukamoto | 1987-06-02 |
| D290114 | Tape player | Jyoji Kukita, Naoki Tsukamoto | 1987-06-02 |