Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841486 | Semiconductor memory device and sense amplifier | Osamu Minato, Toshiaki Masuhara, Koichiro Ishibashi, Shigeru Honjyo, Nobuyuki Moriwaki | 1989-06-20 |
| 4797717 | Semiconductor memory device | Koichiro Ishibashi, Osamu Minato, Toshiaki Masuhara, Yoshio Sakai, Toshiaki Yamanaka +4 more | 1989-01-10 |