Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879685 | Semiconductor memory device with internal array transfer capability | — | 1989-11-07 |
| 4819209 | Simultaneous dual access semiconductor memory device | Takashi Horii | 1989-04-04 |
| 4809233 | Pseudo-static memory device having internal self-refresh circuit | — | 1989-02-28 |
| 4807193 | Semiconductor memory device with a detection circuit to detect word line potential | Takeo Takematsu, Kimiaki Sato, Takashi Horii, Nobumi Kodama, Makoto Yanagisawa +1 more | 1989-02-21 |
| 4803656 | Semiconductor memory device having redundancy circuit portion | — | 1989-02-07 |
| 4799196 | Semiconductor memory device comprising different type memory cells | — | 1989-01-17 |