Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4438358 | Means for suppressing vibration and noise in a device driven by a small electric motor | Junichi Yagi, Yasuyuki Miura | 1984-03-20 |
| 4252326 | Sound reproducing device | Katsumi Watanabe, Eishi Koike | 1981-02-24 |
| 4234193 | Simplified phonograph capable of selecting desired grooves on a record disc | — | 1980-11-18 |
| 4209174 | Shock starting type simplified phonograph | — | 1980-06-24 |
| 4195843 | Simplified motor assembly and related electrical connection in a _sound reproducing device | Katsumi Watanabe, Eishi Koike | 1980-04-01 |