Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831433 | Semiconductor device | Mitsugi Oguara, Fumio Horiguchi | 1989-05-16 |
| 4819207 | High-speed refreshing rechnique for highly-integrated random-access memory | Koji Sakui | 1989-04-04 |
| 4811290 | Semiconductor memory device | — | 1989-03-07 |
| 4800530 | Semiconductor memory system with dynamic random access memory cells | Yasuo Itoh, Fumio Horiguchi, Kazunori Ohuchi, Mitsugi Ogura | 1989-01-24 |
| 4798977 | Word line driver for use in a semiconductor memory | Koji Sakui | 1989-01-17 |