Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845671 | Bloch line memory device | Youji Maruyama, Tadashi Ikeda, Ryo Suzuki | 1989-07-04 |
| 4837741 | Magnetic bubble memory device | Toshihiro Sato, Takashi Toyooka, Naoki Kodama, Masatoshi Takeshita, Ryo Suzuki | 1989-06-06 |