Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410075 | Water softening device | Mai SAITO, Yasunari Maeda | 2025-09-09 |
| 10815134 | Water treatment device | Shigeru Sasabe, Tomoko Tani, Kazuo Imai, Hiroaki Kitagawa | 2020-10-27 |
| 10507429 | Electrochemical cell, water treatment device provided with same, and operating method for water treatment device | Shigeru Sasabe, Daisuke Suzuki, Tomoko Tani, Katsuhiko Uno, Masahiro Ohama | 2019-12-17 |