Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4532496 | Pulse width modulation type digital to analog converter | — | 1985-07-30 |
| 4489402 | Semiconductor memory device | Shinji Saitoh, Junichi Miyamoto | 1984-12-18 |
| 4366554 | I.sup.2 L Memory device | Kiyoshi Aoki | 1982-12-28 |
| 4278903 | Phase comparison circuit | — | 1981-07-14 |