Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884236 | Bloch line memory device | Youzi Maruyama, Tadashi Ikeda | 1989-11-28 |
| 4845671 | Bloch line memory device | Youji Maruyama, Tadashi Ikeda, Teruaki Takeuchi | 1989-07-04 |
| 4837741 | Magnetic bubble memory device | Toshihiro Sato, Takashi Toyooka, Naoki Kodama, Teruaki Takeuchi, Masatoshi Takeshita | 1989-06-06 |
| 4831584 | Bloch line memory device | Youji Maruyama | 1989-05-16 |
| 4817053 | Apparatus for storing and retrieving information using an electron beam | Tadashi Ikeda, Kazuo Shigematsu, Yasushi Miyauchi, Motoyasu Terao, Tetsuya Nishida +2 more | 1989-03-28 |