Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4572166 | Self-travelling vibration generator | — | 1986-02-25 |
| 4566442 | Massager | Masao Yagi | 1986-01-28 |
| 4565189 | Beauty treatment device | — | 1986-01-21 |
| 4513737 | Beauty treatment device | — | 1985-04-30 |
| 4481939 | Beauty treatment device | — | 1984-11-13 |
| 4335318 | Engine-driven model toy | Tatsuo Katsunuma | 1982-06-15 |
| 4311952 | Battery charging system | Kogiro Komatsu | 1982-01-19 |
| 4276716 | Multi-stage energy storage device | — | 1981-07-07 |
| 4275394 | Radio control driving circuit device | Koziro Komatsu | 1981-06-23 |
| 4272041 | Model helicopter device | Tatsuo Katsunuma | 1981-06-09 |
| 4259809 | Rotating unit | Tatuo Katunuma | 1981-04-07 |
| 4260041 | Toy energy supply device | — | 1981-04-07 |
| 4258499 | Electrically-operated mobile model toy | — | 1981-03-31 |
| 4253013 | Electric heating device for warming the shaving head of an electric shaver | — | 1981-02-24 |
| 4197672 | Model racing car | Tatuo Katunuma | 1980-04-15 |