Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11167249 | Separation membrane, separation membrane element, water purifier, and method for producing separation membrane | Masakazu Koiwa, Hiroaki Tanaka, Koji Nakatsuji, Kentaro Takagi | 2021-11-09 |
| 10662083 | Filter | Keisuke Yoneda, Kumiko OGAWA, Satoko Kanamori, Ryuichiro HIRANABE, Yoichiro Kozaki | 2020-05-26 |
| 10099183 | Solvent-resistant separation membrane | Jun Okabe, Masahiro Kimura, Koji Nakatsuji, Tsuyoshi Hamada | 2018-10-16 |