Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018128 | Particle-dispersed polyimide precursor solution, method for producing porous polyimide film, and porous polyimide film | Tomoya Sasaki, Hidekazu Hirose, Kosaku YOSHIMURA, Yasunobu KASHIMA, Hajime SUGAHARA +1 more | 2024-06-25 |
| 11958939 | Polyimide precursor solution, method for producing porous polyimide film, and porous polyimide film | Shigeru Seitoku, Takeshi Iwanaga, Tomoyo Okubo, Hajime SUGAHARA, Hidekazu Hirose | 2024-04-16 |
| 11787942 | Polyimide precursor solution, method for producing porous polyimide film, porous polyimide film, and insulated wire | Shigeru Seitoku, Takeshi Iwanaga, Hidekazu Hirose | 2023-10-17 |
| 11680140 | Particle-dispersed polyimide precursor solution, method for producing porous polyimide film, and porous polyimide film | Hajime SUGAHARA, Hidekazu Hirose, Kosaku YOSHIMURA, Tomoya Sasaki, Yasunobu KASHIMA +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, Kosaku YOSHIMURA, Tomoya Sasaki, Hidekazu Hirose | 2023-06-20 |
| 11495863 | Porous polyimide film, secondary battery separator, and secondary battery | Hidekazu Hirose, Yasunobu KASHIMA, Kosaku YOSHIMURA, Tomoya Sasaki | 2022-11-08 |