Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11459248 | Method of removing soluble manganese | Sadamitsu SHIODE, Hiroyuki Oyachi, Kiyotaka Sugiura, Hideki Takeuchi | 2022-10-04 |
| 7276167 | Method of adding activated carbon in water purification and method of water purification | Nobuhiro Aoki | 2007-10-02 |