Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8580012 | Solvent-resistant asymmetric hollow fiber gas separation membrane, and method for production thereof | Harutoshi Hoshino, Tomonori Kanougi, Toshimune Yoshinaga, Kenji Fukunaga | 2013-11-12 |
| 8409325 | Asymmetric gas separation membrane and process for gas separation | Toshimune Yoshinaga, Makoto Nakamura, Tomonori Kanougi, Kenji Fukunaga | 2013-04-02 |
| 8394176 | Polyimide gas separation membrane and gas separation method | Tomonori Kanougi, Harutoshi Hoshino, Toshimune Yoshinaga, Kenji Fukunaga | 2013-03-12 |
| 7833313 | Method for manufacturing polyimide asymmetric membrane, and polyimide asymmetric membrane | Toshimune Yoshinaga, Kenji Fukunaga | 2010-11-16 |
| 7803214 | Asymmetric hollow-fiber gas separation membrane, gas separation method and gas separation membrane module | Toshimune Yoshinaga, Kenji Fukunaga, Harutoshi Hoshino | 2010-09-28 |
| 7628841 | Method for manufacturing polyimide asymmetric membrane, and polyimide asymmetric membrane | Toshimune Yoshinaga, Kenji Fukunaga | 2009-12-08 |
| 6921428 | Device and method for separating and collecting halide gas | Osamu Yamamoto, Masayuki Kinouchi, Naoki Takada, Masao Kikuchi | 2005-07-26 |