Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11035047 | Electrolytic aluminum foil and method of manufacturing same | Yukio Honkawa, Yoichi Kojima, Koichi Ui | 2021-06-15 |
| 10927469 | Production method of aluminum using hydrate | Yoichi Kojima, Mikito Ueda | 2021-02-23 |