Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860001 | Remote monitoring and controlling system | Takeshi Kawahara | 1989-08-22 |
| 4833592 | Master station apparatus for remote supervisory control system with touch panel video display | — | 1989-05-23 |
| 4816988 | Master station apparatus in supervisory and control system | — | 1989-03-28 |
| 4807259 | Time synchronization method in data transmission system | Teruhisa Shoyama, Nobuo Teraji | 1989-02-21 |