Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8568596 | Membrane filtering device managing system and membrane filtering device for use therein, and membrane filtering device managing method | Takahisa Konishi, Norio Ikeyama, Kouji Maruyama, Yukio Fujiwara, Akira Ootani | 2013-10-29 |
| 8519559 | Spiral type membrane element, and spiral type membrane filtering device having the same | Takahisa Konishi, Kouji Maruyama, Keisuke Hirano, Akira Ootani, Hiroshi Yoshikawa +1 more | 2013-08-27 |