Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890307 | Input circuit of charge transfer device | Naoki Hosoya | 1989-12-26 |
| 4851712 | Semiconductor circuit for driving a load circuit with power supplied independently | Akira Sakata | 1989-07-25 |
| 4800579 | Charge transfer device provided with charge detection circuit of a floating gate system | Naoki Hosoya | 1989-01-24 |