Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247103 | Polyimide precursor solution, porous polyimide film, separator for secondary battery, and secondary battery | Yasunobu KASHIMA, Takahiro Ishizuka | 2025-03-11 |
| 12018128 | Particle-dispersed polyimide precursor solution, method for producing porous polyimide film, and porous polyimide film | Tomoya Sasaki, Hidekazu Hirose, Yasunobu KASHIMA, Hajime SUGAHARA, Kosuke NAKADA +1 more | 2024-06-25 |
| 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 |
| 11495863 | Porous polyimide film, secondary battery separator, and secondary battery | Kosuke NAKADA, Hidekazu Hirose, Yasunobu KASHIMA, Tomoya Sasaki | 2022-11-08 |
| 11211670 | All-solid-state battery | Hajime SUGAHARA, Hidekazu Hirose, Tomoya Sasaki, Yasunobu KASHIMA | 2021-12-28 |
| 11043718 | Porous polyimide film and battery | Yasunobu KASHIMA, Hajime SUGAHARA, Hidekazu Hirose | 2021-06-22 |
| 10542623 | Porous polyimide shaped article | Hajime SUGAHARA, Hidekazu Hirose, Katsumi Nukada, Tomoya Sasaki, Akira Imai | 2020-01-21 |
| 9239527 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Tetsuya Taguchi, Shinya Sakamoto, Satoshi Yoshida, Shinya Nakashima | 2016-01-19 |
| 9134636 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Tetsuya Taguchi, Satoshi Yoshida, Shinya Nakashima, Shinya Sakamoto, Emi Miyata | 2015-09-15 |
| 6753052 | Heat transfer sheet and light-heat-conversion type image-forming material | Mitsuru Yamamoto, Kazuhito Miyake, Hideyuki Nakamura | 2004-06-22 |