Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10457565 | Production method for hematite for iron production | Hideki Sasaki, Yasumasa Kan | 2019-10-29 |
| 10442715 | Chromium-containing water treatment method | Osamu Nakai, Keisuke Shibayama, Sho Shirai | 2019-10-15 |