Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800418 | Integrated circuit with improved monitoring function by use of built-in elements | — | 1989-01-24 |
| 4719599 | Programmable read-only memory device provided with test cells | Hiroshi Mayumi | 1988-01-12 |
| 4347586 | Semiconductor memory device | — | 1982-08-31 |