Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11211670 | All-solid-state battery | Hajime SUGAHARA, Tomoya Sasaki, Kosaku YOSHIMURA, Yasunobu KASHIMA | 2021-12-28 |
| 11043718 | Porous polyimide film and battery | Kosaku YOSHIMURA, Yasunobu KASHIMA, Hajime SUGAHARA | 2021-06-22 |