Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7364660 | Porous membrane | Masato Takai, Yoichi Matsumoto, Kouji Sekiguchi, Hitoshi Tsuruta, Takao Shimizu | 2008-04-29 |
| 6514409 | Hollow fiber membrane made of an ethylene-vinyl alcohol polymer | Koji Sekiguchi, Takeshi Suehiro, Shuhei Nakaji, Yoichi Matsumoto, Masato Takai +2 more | 2003-02-04 |