Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8097366 | Alkaline battery separator comprising alkali-resistance synthetic fiber, fibrillated organic solvent-spun cellulose fiber and mercerized pulp, and alkaline primary battery | Toshimitsu Harada, Hiroyuki Kawai, Masakazu Nishiyama | 2012-01-17 |
| 7754387 | Separator for battery and alkaline battery | Toshimitsu Harada, Hiroyuki Kawai, Seiji Wada, Eiji Tano | 2010-07-13 |
| 6955847 | Nonwoven fabric having engaging function | Hirosi Itou, Tadashi Miyazaki, Shigekazu Takeuchi, Katsumasa Hata | 2005-10-18 |