Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807193 | Semiconductor memory device with a detection circuit to detect word line potential | Yoshihiro Takemae, Takeo Takematsu, Kimiaki Sato, Takashi Horii, Makoto Yanagisawa +1 more | 1989-02-21 |