Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161757 | Water purification dispersion, production method for water purification dispersion, and waste water treatment method | Masahiko Ito, Takanori Fujita | 2021-11-02 |
| 10954142 | Water cleaning agent and water cleaning method | Masayuki Nakamura, Takanori Fujita, Kazuhiro Kimura, Masato Hasegawa | 2021-03-23 |