Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9795932 | Porous hollow fiber membrane and a porous hollow fiber membrane for the treatment of a protein-containing liquid | Hideyuki Yokota, Noriaki Kato, Hirofumi Ogawa | 2017-10-24 |
| 9550153 | Porous polymer flat-sheet membrane | Masao Higashi, Norifumi Shimada, Tooru Kitagawa | 2017-01-24 |
| 9211509 | Reverse osmosis membrane for wastewater treatment | Masao Higashi, Tooru Kitagawa | 2015-12-15 |
| 8881915 | Polymeric porous hollow fiber membrane | Hideyuki Yokota, Noriaki Kato, Hirofumi Ogawa | 2014-11-11 |
| 8225941 | Hollow fiber membrane for treating liquids | Hirofumi Ogawa, Noriaki Kato, Hideyuki Yokota | 2012-07-24 |