Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161757 | Water purification dispersion, production method for water purification dispersion, and waste water treatment method | Masahiko Ito, Ryu Shimada | 2021-11-02 |
| 10954142 | Water cleaning agent and water cleaning method | Masayuki Nakamura, Ryu Shimada, Kazuhiro Kimura, Masato Hasegawa | 2021-03-23 |