Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10968328 | Porous polyimide film production method and porous polyimide film produced using said method | Shusei OHYA, Makoto Matsuo, Keita Bamba | 2021-04-06 |
| 8980421 | Porous polyimide membrane and process for production thereof | Shyusei Ohya, Hiroshi Shimazaki, Makoto Babazono, Yoshiaki Watanabe, Dai Yokoyama +1 more | 2015-03-17 |
| 7468340 | Metal-supported porous carbon film, fuel cell electrode and fuel cell employing the electrode | Shyusei Ohya, Makoto Matsuo, Jun Takagi | 2008-12-23 |
| 6565962 | Polyimide porous film | Shyusei Ohya, Shigeru Yao, Yukihiko Asano, Kimio Nakayama, Kenji Fukunaga | 2003-05-20 |