Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11936067 | Alkaline battery separator and method for producing same | Tomohiro Hayakawa, Haruna MITSUMORI, Hiroyuki Kawai | 2024-03-19 |
| 11450922 | Separator, and separator for alkaline manganese dry battery comprising same | Tomoki Sakai, Hiroyuki Kawai, Tomohiro Hayakawa | 2022-09-20 |
| 10533287 | Dispersant for carbon fibers, carbon fiber dispersion composition, and method for manufacturing carbon fiber sheet | Tomohiro Hayakawa, Hiroyuki Kawai, Hideo Kiyoyama | 2020-01-14 |
| 10446820 | Alkaline battery separator | Tomohiro Hayakawa, Hiroyuki Kawai, Koichi Kambe | 2019-10-15 |