Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4918503 | Dynamic random access memory device having a plurality of one transistor type memory cells | — | 1990-04-17 |
| 4835597 | Semiconductor device having improved multi-layer structure of insulating film and conductive film | Manzoh Saitoh | 1989-05-30 |
| 4255210 | Method for manufacturing a read-only memory device | Tsuyoshi Suzuki | 1981-03-10 |