Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D328942 | Water purifier | Ikuo Igami, Atsuko Owada | 1992-08-25 |
| 4675213 | Hydrophilized membrane of porous hydrophobic material and process for preparing the same | Hisayoshi Yamamori, Michio Inoue, Hisao Tanaka | 1987-06-23 |
| 4663227 | Hydrophilized membrane of porous hydrophobic material and process for preparing the same | Hisayoshi Yamamori, Michio Inoue, Hisao Tanaka | 1987-05-05 |
| 4636307 | Hollow-fiber filtering module and water purification device utilizing it | Michio Inoue | 1987-01-13 |