Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9573082 | Upper-layer cleaning device for water treatment device, and method for cleaning water treatment device filter layer | Tadao Oiwa, Hui Cai | 2017-02-21 |
| 9345993 | Cleaning apparatus for filtration layer in seawater infiltration intake | Hideyuki Niizato, Takayuki Inoue, Kiyokazu Mukai | 2016-05-24 |
| 9017559 | Water treatment apparatus and a method for cleaning a filter layer of a water treatment apparatus | Kiyokazu Mukai | 2015-04-28 |
| 8110116 | Water treatment apparatus and a method for cleaning a filter layer of a water treatment apparatus | Kiyokazu Mukai | 2012-02-07 |
| 6616860 | Biopolymer composite ion-exchanger with high cesium selectivity and its manufacturing method | Yoshio Onodera, Takashi Iwasaki, Hiromichi Hayashi, Takeo Ebina | 2003-09-09 |
| 5533282 | Hard plate of each of spike shoes for field and track events | Akira Kataoka, Manabu Kuramoto, Ryuichi Tukita | 1996-07-09 |