Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856058 | Office line interface circuits | Fumio Hino | 1989-08-08 |
| 4815127 | Communication system using unbalanced communication paths | Yoshihiro Akita | 1989-03-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856058 | Office line interface circuits | Fumio Hino | 1989-08-08 |
| 4815127 | Communication system using unbalanced communication paths | Yoshihiro Akita | 1989-03-21 |