Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9649600 | Method for manufacturing a porous composite membrane | Hiroyuki Fujiki, Toshinori Sumi, Yasuo Hiromoto | 2017-05-16 |
| 9539547 | Porous film manufacturing method and apparatus | Toshinori Sumi, Yasuo Hiromoto, Hiroyuki Fujiki | 2017-01-10 |
| 9528760 | Method for producing porous membrane and drying device of porous membrane | Osamu Maehara, Toshinori Sumi | 2016-12-27 |
| 9151538 | Drying device and drying method for hollow fiber membranes | Toshinori Sumi, Yasuo Hiromoto, Hiroyuki Fujiki | 2015-10-06 |
| 8752713 | Hollow porous membrane and process for producing the same | Masashi Teramachi, Kei Murase, Toshinori Sumi, Yasuo Hiromoto, Hiroyuki Fujiki +1 more | 2014-06-17 |