Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8801921 | Method of produced water treatment, method of water reuse, and systems for these methods | Hiroshi Yokohata, Masaaki Sakurai, Toru Morita | 2014-08-12 |
| 8153007 | Method of treating wastewater | — | 2012-04-10 |
| 7641797 | Method of treating waste liquid from production plant for hydrocarbons or oxygen-containing compounds | Masayuki Uchida, Hitoshi Betchaku | 2010-01-05 |
| 7635432 | Method of treating at a high-temperature waste liquid from production plant for hydrocarbons or oxygen-containing compounds | Masayuki Uchida, Takaji Akiya, Toshio Tsukamoto | 2009-12-22 |