Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875048 | Two-step parallel analog to digital converter | Toshihiko Shimizu, Kenji Maio | 1989-10-17 |
| 4866444 | Analog-to-digital converter | Yoshito Nejime, Kenji Maio, Koichi Ono | 1989-09-12 |
| 4851845 | Encoder | Kenji Maio, Toshihiko Shimizu | 1989-07-25 |