Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372908 | Image forming apparatus | — | 2025-07-29 |
| 11835887 | Developer accommodating device with screw including screw blade as rotator, developing device, process cartridge, and image forming apparatus | Yuuki Tsuchiya, Yoshihiro Fujiwara, Tomohiro Kubota, Shuntaroh Tamaki | 2023-12-05 |
| 11573506 | Powder container, developing device, and image forming apparatus with multiple joints to prevent leakage | Yuki Oshikawa | 2023-02-07 |
| 11275325 | Image forming apparatus including a process cartridge that includes a developing device | Hotaru HASHIKAWA, Yoshihiro Fujiwara, Nobuo Takami, Kazuki Yogosawa, Tomohiro Kubota +2 more | 2022-03-15 |
| 11256194 | Developing device, process cartridge, and image forming apparatus | Yuuki Tsuchiya, Yoshihiro Fujiwara, Yuki Oshikawa, Naohiro Kawashima, Hotaru HASHIKAWA | 2022-02-22 |
| 11112731 | Developer container, developing device, and image forming apparatus | Naohiro Kawashima, Yoshihiro Fujiwara, Yuki Oshikawa, Yuuki Tsuchiya, Tsutomu Iwata | 2021-09-07 |
| 11086251 | Image forming apparatus including control circuitry to execute a warm-up operation | Yoshihiro Fujiwara, Yuki Oshikawa, Naohiro Kawashima, Yuuki Tsuchiya | 2021-08-10 |
| 10705484 | Developing device, process cartridge, and image forming apparatus | Yuki Oshikawa, Yoshihiro Fujiwara, Naohiro Kawashima, Yuuki Tsuchiya | 2020-07-07 |
| 10228888 | System, method, and non-transitory recording medium for determining lifetimes of components of multifunction peripherals | Takeyoshi Sekine, Takenori Oku, Hiroshi Nishida, Satoshi Hatanaka, Kenji Ueda +3 more | 2019-03-12 |
| 9977361 | Image forming apparatus and image forming system | Hideaki Kanaya, Taichi Urayama, Hiroki Ishii, Hiroyuki Sugiyama, Saki Izumi +1 more | 2018-05-22 |
| 9310714 | Image forming apparatus | Naoyuki Ozaki, Ryota Kidera, Hiroyuki Sugiyama, Tatsumi Yamada, Tomoko Takahashi +2 more | 2016-04-12 |
| 9298125 | Image forming apparatus and image forming method | Hiroyuki Sugiyama, Takamasa Ozeki, Tomoko Takahashi, Yoshinori Nakagawa, Masahiko Shakuto +3 more | 2016-03-29 |
| 9250593 | Image forming apparatus and image density control method employed by the image forming apparatus | Taichi Urayama, Tomoko Takahashi, Shotaro Hoshi, Ryuji Yoshida, Hiroyuki Sugiyama +4 more | 2016-02-02 |
| 9244374 | Image forming apparatus | Hiroyuki Sugiyama, Ryoh Tanoue, Masahiko Shakuto, Tomoko Takahashi, Yoshinori Nakagawa +4 more | 2016-01-26 |
| 9042748 | Image forming apparatus | Taichi Urayama, Ryuji Yoshida, Tomoko Takahashi, Shotaro Hoshi, Hiroyuki Sugiyama +4 more | 2015-05-26 |
| 8573726 | Image forming apparatus | Ichiro Komuro, Mamoru Yorimoto, Shinichiro Naruse, Soichi Saiga | 2013-11-05 |
| 8556379 | Image forming apparatus | Shinichiro Naruse, Ichiro Komuro, Mamoru Yorimoto, Soichi Saiga | 2013-10-15 |
| 8529012 | Image forming apparatus and method for correcting landing positions of liquid droplets | Mamoru Yorimoto, Ichiro Komuro, Shinichiro Naruse, Soichi Saiga | 2013-09-10 |
| 8425006 | Image forming apparatus including first and second carriages which are detachably attachably to each other | Ichiro Komuro, Mamoru Yorimoto, Shinichiro Naruse, Soichi Saiga | 2013-04-23 |
| 8414105 | Image forming apparatus | Ichiro Komuro, Shinichiro Naruse, Mamoru Yorimoto, Soichi Saiga | 2013-04-09 |
| 8308272 | Image forming apparatus and carriage docking mechanism | Shinichiro Naruse, Ichiro Komuro, Mamoru Yorimoto, Soichi Saiga | 2012-11-13 |