Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12306553 | Image forming apparatus and unit for image forming apparatus | Yohei Saito, Ryota Kaneko | 2025-05-20 |
| 12019393 | Electrophotographic photoconductor, process cartridge, and image forming apparatus | Shuhei Yamazaki, Satoshi Mizoguchi, Yoichi KIGOSHI, Michinori Fukuma, Kosuke Narita +2 more | 2024-06-25 |
| 11921455 | Lubricant solid, image forming apparatus, and process cartridge | Yohei Saito, Shoko Hachiya, Ryo Sekiguchi | 2024-03-05 |
| 11880162 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Yoichi KIGOSHI, Michinori Fukuma, Ryota Kaneko | 2024-01-23 |
| 9829812 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Keisuke Kusano, Masahiro Iwasaki, Yukimi KAWABATA | 2017-11-28 |
| 9811010 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Yasuhiro Niida, Kazuyuki Tada, Yukimi KAWABATA | 2017-11-07 |
| 9557662 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Keisuke Kusano, Yoshifumi SHOJI, Yukimi KAWABATA | 2017-01-31 |
| 9551945 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Yukimi KAWABATA, Kazuyuki Tada, Yasuhiro Niida | 2017-01-24 |
| 9459543 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Yoshifumi SHOJI | 2016-10-04 |
| 9429864 | Charging member, process cartridge, and image forming apparatus | Hiroyuki Miura, Takuya Morishige, Yoshiteru Yamada, Takuro Hoshio, Kosuke Narita | 2016-08-30 |
| 9335644 | Electron transport material, electrophotographic photoreceptor, process cartridge, and image forming apparatus | Masahiro Iwasaki, Shinya Yamamoto, Daisuke Haruyama, Yukimi KAWABATA, Keisuke Kusano +2 more | 2016-05-10 |
| 9280079 | Charging member, process cartridge, and image forming apparatus | Takuro Hoshio, Taketoshi Hoshizaki, Hiroyuki Miura, Kosuke Narita, Yasuhiro Niida +2 more | 2016-03-08 |
| 9075326 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Keiko MATSUKI, Masahiro Iwasaki, Mitsuhide Nakamura | 2015-07-07 |
| 8974992 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Hirofumi Nakamura, Mitsuhide Nakamura | 2015-03-10 |
| 8795934 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Yohei Saito, Shinya Yamamoto | 2014-08-05 |
| 8785090 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Yuko YAMANO, Shinya Yamamoto, Masahiro Iwasaki, Takayuki Yamashita, Yohei Saito | 2014-07-22 |
| 8765341 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Daisuke Haruyama | 2014-07-01 |
| 8652716 | Electrophotographic photoreceptor, image forming apparatus, and process cartridge | Masahiro Iwasaki, Yuko YAMANO, Yukimi KAWABATA, Daisuke Haruyama | 2014-02-18 |