Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5086452 | Radio telephone system and its control method | Koichi Ito | 1992-02-04 |
| 4972454 | Radio telephone apparatus and a method of controlling same | Akio Toki, Koichi Ito | 1990-11-20 |