Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588647 | Perpendicular magnetization film and the preparation thereof | Yoshifumi Sakurai, Kazuo Saito, Koji Saiki | 1986-05-13 |
| 4516222 | Laminated magnetic bubble device | Yoshifumi Sakurai | 1985-05-07 |