Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10446820 | Alkaline battery separator | Tomohiro Hayakawa, Toshimichi KUSUNOKI, Hiroyuki Kawai | 2019-10-15 |
| 9748543 | Separator for nonaqueous cell and nonaqueous cell | Tomohiro Hayakawa, Hiroyuki Kawai, Hideo Hayashi | 2017-08-29 |
| 9142816 | Alkaline battery separator and alkaline battery using separator | Tomohiro Hayakawa, Hiroyuki Kawai | 2015-09-22 |