Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850211 | Method of controlling elimination of roll eccentricity in rolling mill and device for carrying out the method | Kunio Sekiguchi, Hajime Kai, Masaru Miyokawa | 1989-07-25 |
| 4799043 | Circuit resistance adjusting device | — | 1989-01-17 |