Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10513452 | Water treatment system | Hideo Iwahashi, Katsunori Matsui, Kiichi Tokunaga, Takeshi Yasunaga, Masayuki Tabata +4 more | 2019-12-24 |
| 10202291 | Reverse osmosis membrane apparatus and method of operating same | Kiichi Tokunaga, Takeshi Yasunaga, Yoshiaki Ito | 2019-02-12 |