Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4581219 | Method of making macroporous manganese dioxide | Nobuyuki Imada | 1986-04-08 |
| 4551254 | Macroporous manganese dioxide water purifier | Nobuyuki Imada | 1985-11-05 |
| 4548684 | Treatment of manganese nodules | Kazuhide Miyazaki, Yasuo Kitamura | 1985-10-22 |