Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4413295 | Magnetic head | Hiroaki Kato, Junji Hamana, Akeo Sakai, Yoshio Kawakami, Atsushi Goto | 1983-11-01 |
| 4368496 | Magnetic head | Hiroaki Kato, Junji Hamana, Akeo Sakai, Yoshio Kawakami, Atsushi Goto | 1983-01-11 |