Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839005 | Electrolytic-abrasive polishing method of aluminum surface | Kenichi Katsumoto, Shigeo Isoda, Takahiro Yuuki, Yutaka Yamamoto, Suguru Motonishi +3 more | 1989-06-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839005 | Electrolytic-abrasive polishing method of aluminum surface | Kenichi Katsumoto, Shigeo Isoda, Takahiro Yuuki, Yutaka Yamamoto, Suguru Motonishi +3 more | 1989-06-13 |