Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4244274 | Cylinder control device of hydraulic cylinder apparatus | — | 1981-01-13 |
| 4227442 | Cylinder control device of hydraulic cylinder apparatus | Masahiro Ishiko, Kazuyoshi Nakayama | 1980-10-14 |