Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4221640 | Method of treating a surface of an aluminum or aluminum alloy | Kizo Shibata, Ichiro Ootsuka, Kunio Wakasugi | 1980-09-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4221640 | Method of treating a surface of an aluminum or aluminum alloy | Kizo Shibata, Ichiro Ootsuka, Kunio Wakasugi | 1980-09-09 |