Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4716551 | Semiconductor memory device with variable self-refresh cycle | — | 1987-12-29 |
| 4688196 | Semiconductor dynamic memory device with less power consumption in internal refresh mode | Kazuo Nakaizumi | 1987-08-18 |
| 4616346 | Random access memory capable of varying a frequency in active and standby modes | Kazuo Nakaizumi | 1986-10-07 |
| 4386421 | Memory device | — | 1983-05-31 |