Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11130694 | Recovery method for discharged cooling water | Kazuhisa Fujita | 2021-09-28 |
| 10307713 | Agent and method for cleaning permeable membranes | Tetsuya Aoki, Takahiro Kawakatsu | 2019-06-04 |
| 10252219 | Method for operating reverse osmosis membrane device, and reverse osmosis membrane device | Takahiro Kawakatsu | 2019-04-09 |
| 10239019 | Reverse-osmosis-membrane device and method for operating the same | Takahiro Kawakatsu | 2019-03-26 |
| 10046280 | Method for improving rejection rate of reverse osmosis membrane | Takahiro Kawakatsu | 2018-08-14 |
| 9498754 | Method for improving rejection of reverse osmosis membrane, treatment agent for improving rejection, and reverse osmosis membrane | Takahiro Kawakatsu, Tetsuya Aoki | 2016-11-22 |
| 9156001 | Method and apparatus for further purifying ultrapure water | Hideki Kobayashi, Masanobu Osawa | 2015-10-13 |
| 8025159 | Agent for increasing rejection with a permeable membrane, process for increasing the rejection, permeable membrane and process for water treatment | Takahiro Kawakatsu, Nobuhiro Orita | 2011-09-27 |