Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11063319 | Separator for electrochemical element and electrochemical element | Atsushi IGAWA, Takumi Ichimura, Gaku Matsuoka | 2021-07-13 |
| 10892456 | Separator for electrochemical element, electrochemical element, automobile, and electronic device | Atsushi IGAWA, Masahiko Ueta | 2021-01-12 |