Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821466 | Method for grinding using a magnetic fluid and an apparatus thereof | Koji Kato, Shigeru Adachi, Shin Sato | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821466 | Method for grinding using a magnetic fluid and an apparatus thereof | Koji Kato, Shigeru Adachi, Shin Sato | 1989-04-18 |