Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879550 | Method and system for loop communication | Yusuke Hino, Tohru Horimoto, Toshiharu Iwata, Kimitoshi Yamada | 1989-11-07 |
| 4860247 | Multi-window control system | Noriaki Uchida | 1989-08-22 |