Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839791 | Input/output buffer system | — | 1989-06-13 |
| 4802200 | Radio telephone system control apparatus and method | Yoshitoshi Murata, Kazuhiro Yoshizawa, Akio Yotsutani | 1989-01-31 |
| 4802201 | Control system of a radio telephone apparatus | Kazuhiro Yoshizawa, Akio Yotsutani, Noboru Saegusa, Syozi Huse, Akio Toki | 1989-01-31 |