Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9663838 | Metal recovery method | Takahiro Yoshino, Masayuki Sugiura, Masakazu Mori | 2017-05-30 |
| 9602042 | Method of controlling rotational speed of impeller | Masayuki Sugimura | 2017-03-21 |