Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12393150 | Image forming apparatus having blurring supression | Takashi Hiramatsu | 2025-08-19 |
| 11892791 | Image forming apparatus | Shunsuke Mizukoshi, Shoko Funaki | 2024-02-06 |
| 11782356 | Developing apparatus, process cartridge, and image forming apparatus | Taichi Sato, Takahiro Kawamoto, Yasukazu Ikami, Shoko Funaki | 2023-10-10 |
| 11442376 | Developing apparatus, process cartridge, and image forming apparatus | Taichi Sato, Takahiro Kawamoto, Yasukazu Ikami, Shoko Funaki | 2022-09-13 |
| 11036161 | Developer bearing member, developing apparatus, process cartridge, and image forming apparatus | Takashi Mukai, Takayuki Namiki, Taichi Sato, Yuki Yamamoto, Minoru Nakamura +2 more | 2021-06-15 |
| 10935904 | Image forming apparatus | Jun Miura, Takuya Kitamura, Takashi Hiramatsu, Koji An | 2021-03-02 |
| 10747140 | Developing apparatus, developer carrying member, process cartridge, and image forming apparatus | Takuya Kitamura, Kenji Shindo, Takahiro Kawamoto, Ryo Sugiyama | 2020-08-18 |
| 10719028 | Process cartridge and image forming apparatus | Koji An, Takuya Kitamura, Takashi Hiramatsu, Jun Miura | 2020-07-21 |
| 10452021 | Process cartridge and electrophotographic image forming apparatus | Daisuke Miura, Shuhei Iwasaki, Akira Sakakibara, Tatsuya Yamaai, Kazunori Noguchi +2 more | 2019-10-22 |
| 10444660 | Developing apparatus with regulating member having a curved contact surface and image forming apparatus | Takaaki Shinkawa, Koji An, Takashi Mukai, Takuya Kitamura | 2019-10-15 |
| 10437171 | Developing device, process cartridge and image forming apparatus | Koji An, Takaaki Shinkawa, Takashi Mukai, Takuya Kitamura | 2019-10-08 |
| 10394162 | Developing apparatus, process cartridge, and image forming apparatus | Takashi Mukai, Koji An, Takaaki Shinkawa, Takuya Kitamura | 2019-08-27 |
| 9594320 | Toner and method of producing the toner | Makoto Fukatsu, Manami Haraguchi, Atsushi Nakamoto, Tatsuaki Orihara, Shuhei Tokiwa | 2017-03-14 |
| 9501000 | Image forming apparatus | Kenji Karashima, Satoshi Tsuruya, Yoshikuni Ito, Yasuhiro Horiguchi, Takeshi Fujino +3 more | 2016-11-22 |
| 9442418 | Developing device, process cartridge and image forming apparatus | Takahiro Kawamoto, Kazuhisa Kemmochi, Masayoshi Kato, Makoto Fukatsu, Atsushi Nakamoto +3 more | 2016-09-13 |
| 9405217 | Developer carrying member and image forming apparatus | Shuhei Tokiwa, Tatsuaki Orihara, Makoto Fukatsu, Atsushi Nakamoto | 2016-08-02 |
| 9298128 | Image forming apparatus | Tatsuaki Orihara, Shuhei Tokiwa, Manami Haraguchi, Makoto Fukatsu, Atsushi Nakamoto | 2016-03-29 |
| 9261811 | Developer carrying member, developing assembly, process cartridge, and image forming apparatus | Tatsuaki Orihara, Shuhei Tokiwa, Yasuyuki Matsumoto, Naoki Fuei, Makoto Fukatsu +1 more | 2016-02-16 |
| 9261814 | Developer carrying member, developing assembly, process cartridge, and image forming apparatus | Tatsuaki Orihara, Shuhei Tokiwa, Yasuyuki Matsumoto, Manami Haraguchi, Atsushi Nakamoto +1 more | 2016-02-16 |
| 9217962 | Image forming apparatus | Kenji Karashima, Satoshi Tsuruya, Yoshikuni Ito, Yasuhiro Horiguchi, Takeshi Fujino +3 more | 2015-12-22 |
| 9134649 | Image forming apparatus | Tatsuaki Orihara, Shuhei Tokiwa, Manami Haraguchi, Makoto Fukatsu, Atsushi Nakamoto | 2015-09-15 |
| 8489011 | Image forming apparatus and image forming system | Norio Takahashi, Katsuhiro Sakaizawa, Rie Endo | 2013-07-16 |
| 8437678 | Image forming apparatus and image forming system | Norio Takahashi, Katsuhiro Sakaizawa, Rie Endo | 2013-05-07 |
| 8019258 | Developing apparatus | Shinichi Nishida, Katsunori Yokoyama, Yasushi Shimizu, Katsuhiro Sakaizawa, Rie Endo +1 more | 2011-09-13 |
| 7840168 | Developing apparatus | Shinichi Nishida, Katsunori Yokoyama, Yasushi Shimizu, Katsuhiro Sakaizawa, Rie Endo +1 more | 2010-11-23 |