Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10513452 | Water treatment system | Yuta Hashimoto, Hideo Iwahashi, Katsunori Matsui, Kiichi Tokunaga, Masayuki Tabata +4 more | 2019-12-24 |
| 10294127 | Method of operating reverse osmosis membrane apparatus | Kiichi Tokunaga | 2019-05-21 |
| 10202291 | Reverse osmosis membrane apparatus and method of operating same | Kiichi Tokunaga, Yoshiaki Ito, Yuta Hashimoto | 2019-02-12 |