Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858103 | Fluid valve control system for controlling fluid pressure or flow | Kunihiko Takeuchi, Kiyoshi Hayashi | 1989-08-15 |
| 4855729 | Communication control system of fluid control valve | Kunihiko Takeuchi, Fujio Baba | 1989-08-08 |
| 4833593 | Method for preparing information tables for a digital valve control apparatus | Kunihiko Takeuchi, Kiyoshi Hayashi | 1989-05-23 |