Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823373 | Line switching control system for mobile communication | Chusei Takahashi, Hiroshi Etoh | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823373 | Line switching control system for mobile communication | Chusei Takahashi, Hiroshi Etoh | 1989-04-18 |