Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890307 | Input circuit of charge transfer device | Shin-ichi Imai | 1989-12-26 |
| 4800579 | Charge transfer device provided with charge detection circuit of a floating gate system | Shin-ichi Imai | 1989-01-24 |