Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7364660 | Porous membrane | Yoichi Matsumoto, Kouji Sekiguchi, Tomoki Kakiuchi, Hitoshi Tsuruta, Takao Shimizu | 2008-04-29 |
| 6831139 | Method for manufacturing ethylene-vinyl acetate copolymer and apparatus for manufacturing the same | Takaharu Kawahara | 2004-12-14 |
| 6777505 | Method for manufacturing ethylene-vinyl acetate copolymer and apparatus for manufacturing the same | Etsuo Nakazato, Kouichi Takahashi, Yoichi Matsumoto, Masahiro Igaki, Takaharu Kawahara +1 more | 2004-08-17 |
| 6514409 | Hollow fiber membrane made of an ethylene-vinyl alcohol polymer | Tomoki Kakiuchi, Koji Sekiguchi, Takeshi Suehiro, Shuhei Nakaji, Yoichi Matsumoto +2 more | 2003-02-04 |