Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11130688 | Method for controlling pH by electrical conductivity | Mamoru Iwasaki | 2021-09-28 |
| 10800676 | Method for treating water containing low-molecular-weight organic substance | — | 2020-10-13 |
| 10526226 | Ultrapure water production apparatus and ultrapure water production method | — | 2020-01-07 |
| 9598297 | Method for treating organic-matter-containing water | — | 2017-03-21 |
| 9085475 | Ultrapure water producing method and apparatus | Nobukazu Arai, Shigeki Fujishima | 2015-07-21 |
| 9017556 | Ultrapure water production method and apparatus therefor | Motomu Koizumi | 2015-04-28 |
| 8916048 | Water treatment method and method for producing ultrapure water | Nobukazu Arai | 2014-12-23 |