Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653868 | Diverter and water purifier having same | Manabu Yanou, Masaaki Okano, Osami Kato | 1997-08-05 |
| D328942 | Water purifier | Kazuto Kawashima, Atsuko Owada | 1992-08-25 |
| 4972876 | Liquid directional control valve | Masateru Kabata | 1990-11-27 |
| 4772390 | Water purifying method and system | Atsushi Kawai, Yuzuru Katagiri, Michio Inoue, Hisao Tanaka | 1988-09-20 |