Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378403 | Resin composition and resin molded body | Kenji Yao, Satomi KASHIWAGI | 2025-08-05 |
| 12325779 | Cellulosic particle | Kenji Yao, Satomi KASHIWAGI, Shota MATOBA, Ayu NAITO, Kazusei YOSHIDA +6 more | 2025-06-10 |
| 12187861 | Cellulosic particle | Kenji Yao, Kazusei YOSHIDA, Ayu NAITO, Takahiro Ishizuka, Tetsuya Taguchi +3 more | 2025-01-07 |
| 12065547 | Cellulosic particle | Kenji Yao, Hideaki Yoshikawa, Masahiro OKI, Kazusei YOSHIDA, Ayu NAITO +3 more | 2024-08-20 |
| 11267961 | Resin composition and resin molded body | Masayuki Okoshi, Hiroyuki Moriya, Tsuyoshi Miyamoto, Daisuke Nakayama | 2022-03-08 |
| 10072141 | Resin composition, resin molded article, and method of preparing resin composition | Hiroyuki Moriya, Masayuki Okoshi, Daisuke Nakayama, Tsuyoshi Miyamoto, Daisuke Nakashima +1 more | 2018-09-11 |
| 9864286 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Fumiaki Mera, Nobuyuki Torigoe, Masaki Hirakata, Hideya KATSUHARA, Yoichi KIGOSHI +5 more | 2018-01-09 |
| 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 | Katsumi Nukada, Wataru Yamada, Takatsugu Doi | 2017-11-28 |
| 9663646 | Resin composition, resin molded article, and method of preparing resin composition | Masayuki Okoshi, Daisuke Nakayama, Tsuyoshi Miyamoto, Hiroyuki Moriya | 2017-05-30 |
| 9562154 | Resin composition, resin molded article, and method of preparing resin composition | Masayuki Okoshi, Daisuke Nakayama, Tsuyoshi Miyamoto, Hiroyuki Moriya | 2017-02-07 |
| 9535343 | Image forming method, image forming apparatus, and process cartridge | Katsumi Nukada, Hidekazu Hirose, Tomoya Sasaki, Kenji Kajiwara, Tatsuki SANO | 2017-01-03 |
| 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 | Katsumi Nukada, Wataru Yamada, Takatsugu Doi | 2016-07-12 |
| 9310702 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Kenji Kajiwara, Katsumi Nukada, Hidekazu Hirose | 2016-04-12 |
| 9235145 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Katsumi Nukada, Wataru Yamada, Hidekazu Hirose, Kenji Kajiwara | 2016-01-12 |
| 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, Katsumi Nukada, Wataru Yamada, Takatsugu Doi, Kenji Kajiwara | 2015-11-17 |
| 9182687 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Tomoya Sasaki, Katsumi Nukada, Wataru Yamada, Hidekazu Hirose, Kenji Kajiwara | 2015-11-10 |
| 9057972 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Katsumi Nukada, Wataru Yamada, Hidekazu Hirose, 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 | Katsumi Nukada, Wataru Yamada, Tomoya Sasaki, Kenji Kajiwara | 2015-05-19 |
| 9034543 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Wataru Yamada, Hidekazu Hirose, Kenji Kajiwara, Katsumi Nukada, Ryo Sekiguchi +1 more | 2015-05-19 |
| 9005855 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Katsumi Nukada, 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, Katsumi Nukada, Wataru Yamada, Hidekazu Hirose, Kenji Kajiwara | 2015-02-24 |
| 8951701 | Composition for forming charge transporting film, electrophotographic photoreceptor, process cartridge, and image forming apparatus | Katsumi Nukada, Wataru Yamada, Hidekazu Hirose, Tomoya Sasaki, Kenji Kajiwara | 2015-02-10 |
| 8900783 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Katsumi Nukada, Wataru Yamada, Hidekazu Hirose, Kenji Kajiwara | 2014-12-02 |
| 8846280 | Compound, charge transporting film, photoelectric conversion device, electrophotographic photoreceptor, process cartridge, and image forming apparatus | Wataru Yamada, Katsumi Nukada, Tomoya Sasaki, Kenji Kajiwara | 2014-09-30 |
| 8808952 | Composition for forming charge transporting film, electrophotographic photoreceptor, process cartridge, and image forming apparatus | Katsumi Nukada, Wataru Yamada, Hidekazu Hirose, Tomoya Sasaki, Kenji Kajiwara | 2014-08-19 |