Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D290112 | Combined radio receiver and tape player | Naoki Tsukamoto, Shin-Ichi Morinaga | 1987-06-02 |
| D290113 | Cassette tape player | Naoki Tsukamoto, Shin-Ichi Morinaga | 1987-06-02 |
| D290114 | Tape player | Naoki Tsukamoto, Shin-Ichi Morinaga | 1987-06-02 |