Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6093318 | Magnetic purifying apparatus for purifying a fluid | Norihide Saho, Hisashi Isogami, Minoru Morita, Katsuhiko Asano | 2000-07-25 |
| 6039866 | Fluidized bed filtering apparatus | Tetsuya Tanaka, Koichi Tsuzuki, Noriyo Nishijima, Shiro Nakadaira | 2000-03-21 |
| 5932096 | Magnetic purifying apparatus for purifying a fluid | Norihide Saho, Hisashi Isogami, Minoru Morita, Katsuhiko Asano | 1999-08-03 |