Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4706144 | Rotary head device with fluid bearing | Takafumi Asada, Cyuryo Yoshida, Tadao Shioyama | 1987-11-10 |
| 4472666 | Brushless DC motor | Takafumi Akeda, Makoto Gotou, Yoshiaki Igarashi | 1984-09-18 |
| 4306254 | Magnetic recording device for synchronizing headwheel movement | Minoru Koda | 1981-12-15 |