Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11459248 | Method of removing soluble manganese | Satoru Mima, Sadamitsu SHIODE, Kiyotaka Sugiura, Hideki Takeuchi | 2022-10-04 |
| 8083943 | Filtration device | Kiyotaka Sugiura, Kohji Hattori | 2011-12-27 |
| 7922904 | Upward-flow manganese contact column | Kiyotaka Sugiura, Hideki Takeuchi | 2011-04-12 |
| 7449110 | Filter and filter module | Kiyotaka Sugiura, Nobuhiro Aoki | 2008-11-11 |
| 6991737 | Filtering method | Hitoshi Yonekawa, Nobuhiro Aoki, Naoki Murata | 2006-01-31 |