Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11680140 | Particle-dispersed polyimide precursor solution, method for producing porous polyimide film, and porous polyimide film | Hajime SUGAHARA, Hidekazu Hirose, Tomoya Sasaki, Yasunobu KASHIMA, Kosuke NAKADA +1 more | 2023-06-20 |
| 11680156 | Polyimide precursor-containing aqueous composition, method for producing polyimide film, and method for producing porous polyimide film | Yasunobu KASHIMA, Tomoya Sasaki, Kosuke NAKADA, Hidekazu Hirose | 2023-06-20 |
| 11584837 | Porous polyimide film, lithium ion secondary battery, and all-solid-state battery | Yasunobu KASHIMA, Hajime SUGAHARA, Hidekazu Hirose | 2023-02-21 |