Issued Patents All Time
Showing 1–25 of 147 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11427692 | Polyimide precursor solution and polyimide film | Tomoya Sasaki, Takashi Imai | 2022-08-30 |
| 11179914 | Polyimide laminated film and method of preparing polyimide laminated film | Tomoya Sasaki, Takashi Imai | 2021-11-23 |
| 10696808 | Porous film and method of forming porous film | Tomoya Sasaki, Kana MIYAZAKI, Kenji Kajiwara, Masashige Watanabe | 2020-06-30 |
| 10647881 | Polyimide precursor composition, method of preparing polyimide precursor composition, and method of preparing polyimide molded article | Tomoya Sasaki, Tsuyoshi Miyamoto, Kana MIYAZAKI | 2020-05-12 |
| 10597505 | Polyimide precursor solution and polyimide film | Tomoya Sasaki, Takashi Imai | 2020-03-24 |
| 10542623 | Porous polyimide shaped article | Hajime SUGAHARA, Hidekazu Hirose, Tomoya Sasaki, Kosaku YOSHIMURA, Akira Imai | 2020-01-21 |
| 10195794 | Method for producing porous polyimide film, and porous polyimide film | Tsuyoshi Miyamoto, Tomoya Sasaki, Kana MIYAZAKI | 2019-02-05 |
| 9829813 | Fluorine-containing resin particle dispersion, method for preparing fluorine-containing resin particle dispersion, coating liquid which contains fluorine-containing resin particles, method for preparing coating film which contains fluorine-containing resin particles, coating film which contains fluorine-containing resin particles, molded body, electrophotographic photoreceptor, method for preparing electrophotographic photoreceptor, image forming apparatus, and process cartridge | Wataru Yamada, Takatsugu Doi, Yuko IWADATE | 2017-11-28 |
| 9707722 | Method for producing porous polyimide film, and porous polyimide film | Tsuyoshi Miyamoto, Tomoya Sasaki, Kana MIYAZAKI | 2017-07-18 |
| 9650543 | Polyimide precursor composition, method for manufacturing polyimide molded body, and polyimide molded body | Kana MIYAZAKI, Tsuyoshi Miyamoto | 2017-05-16 |
| 9550862 | Polyimide precursor composition, method for preparing polyimide precursor, polyimide molded article, and method for preparing polyimide molded article | Tsuyoshi Miyamoto, Kana MIYAZAKI, Tomoya Sasaki | 2017-01-24 |
| 9535343 | Image forming method, image forming apparatus, and process cartridge | Hidekazu Hirose, Tomoya Sasaki, Yuko IWADATE, Kenji Kajiwara, Tatsuki SANO | 2017-01-03 |
| 9505886 | Polyimide precursor composition, method for preparing polyimide precursor, polyimide molded article, and method for preparing polyimide molded article | Tsuyoshi Miyamoto, Kana MIYAZAKI, Tomoya Sasaki | 2016-11-29 |
| 9389525 | Fluorine-containing resin particle dispersion, method for preparing fluorine-containing resin particle dispersion, coating liquid which contains fluorine-containing resin particles, method for preparing coating film which contains fluorine-containing resin particles, coating film which contains fluorine-containing resin particles, molded body, electrophotographic photoreceptor, method for preparing electrophotographic photoreceptor, image forming apparatus, and process cartridge | Wataru Yamada, Takatsugu Doi, Yuko IWADATE | 2016-07-12 |
| 9310702 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Kenji Kajiwara, Hidekazu Hirose, Yuko IWADATE | 2016-04-12 |
| 9235145 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Wataru Yamada, Hidekazu Hirose, Yuko IWADATE, Kenji Kajiwara | 2016-01-12 |
| 9193828 | Polyimide precursor composition, polyimide-molded product, and image forming apparatus | Tsuyoshi Miyamoto | 2015-11-24 |
| 9188885 | Reactive compound, charge transporting film, photoelectric conversion device, electrophotographic photoreceptor and method of producing the same, process cartridge, and image forming apparatus | Tomoya Sasaki, Wataru Yamada, Takatsugu Doi, Yuko IWADATE, Kenji Kajiwara | 2015-11-17 |
| 9182687 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Tomoya Sasaki, Wataru Yamada, Hidekazu Hirose, Yuko IWADATE, Kenji Kajiwara | 2015-11-10 |
| 9057972 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Wataru Yamada, Hidekazu Hirose, Yuko IWADATE, Kenji Kajiwara | 2015-06-16 |
| 9034544 | Compound, charge transporting film, photoelectric conversion device, and electrophotographic photoreceptor using the compound, method of producing electrophotographic photoreceptor, process cartridge, and image forming apparatus | Wataru Yamada, Tomoya Sasaki, Yuko IWADATE, Kenji Kajiwara | 2015-05-19 |
| 9034543 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Yuko IWADATE, Wataru Yamada, Hidekazu Hirose, Kenji Kajiwara, Ryo Sekiguchi +1 more | 2015-05-19 |
| 9005855 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Yuko IWADATE, Wataru Yamada, Hidekazu Hirose, Tomoya Sasaki, Kenji Kajiwara | 2015-04-14 |
| 8962225 | Charge transporting film, photoelectric conversion device, electrophotographic photoreceptor, process cartridge, and image forming apparatus | Tomoya Sasaki, Wataru Yamada, Hidekazu Hirose, Kenji Kajiwara, Yuko IWADATE | 2015-02-24 |
| 8951701 | Composition for forming charge transporting film, electrophotographic photoreceptor, process cartridge, and image forming apparatus | Yuko IWADATE, Wataru Yamada, Hidekazu Hirose, Tomoya Sasaki, Kenji Kajiwara | 2015-02-10 |