Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878203 | Semiconductor non-volatile memory with cut-off circuit when leakage occurs | — | 1989-10-31 |
| 4817055 | Semiconductor memory circuit including bias voltage generator | Hiromi Kawashima | 1989-03-28 |
| 4800533 | Semiconductor nonvolatile memory device | — | 1989-01-24 |
| 4799194 | Semiconductor random access nonvolatile memory device with restore and control circuits | — | 1989-01-17 |