Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811015 | Abnormal data transmission detection circuit for time-division multiplex transmission network system | Noriyuki Abe | 1989-03-07 |
| 4809266 | Time-division multiplex transmission network system for an automobile vehicle | — | 1989-02-28 |