Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429798 | Cartridge, supply container, and image forming apparatus | Koji Wada, Tsuyoshi Ogawa, Masaaki Sato | 2025-09-30 |
| 12422765 | Toner container including a pouch and portions supporting the pouch | Masaaki Sato, Koji Wada, Tsuyoshi Ogawa | 2025-09-23 |
| 12399449 | Developer container and manufacturing method for developer container | Shinjiro Toba | 2025-08-26 |
| 12346041 | Image forming apparatus and image forming system | Shinjiro Toba, Hiroyuki Munetsugu, Goshi Ozaki, Sohta Sugimoto, Mitsuhiro Sato +3 more | 2025-07-01 |
| 12321111 | Image forming apparatus | Tsuyoshi Ogawa, Masaaki Sato, Koji Fujinaka, Akitoshi Toyota, Yuichiro Inaba +2 more | 2025-06-03 |
| 12169374 | Accommodating container and image forming system | Hiroyuki Munetsugu, Norihiko Ochi | 2024-12-17 |
| 12111601 | Image forming apparatus having an opening/closing member that is prevented from closing when a replenishment container is attached to a process unit | Koji Wada, Tsuyoshi Ogawa, Kenji Matsuzaka, Takao Sameshima, Tomio Noguchi +3 more | 2024-10-08 |
| 12105441 | Toner container and image forming system | Hiroyuki Munetsugu, Mitsuhiro Sato | 2024-10-01 |
| 12066769 | Toner container having a shutter and an engaging portion exposed from the shutter | Masaaki Sato, Hiroyuki Munetsugu, Isao Koishi, Shohei Katsuya, Shunsuke Hijikata +2 more | 2024-08-20 |
| 11977344 | Image forming apparatus and image forming system | Shinjiro Toba, Hiroyuki Munetsugu, Goshi Ozaki, Sohta Sugimoto, Mitsuhiro Sato +3 more | 2024-05-07 |
| 11846895 | Cartridge, supply container, and image forming apparatus | Koji Wada, Tsuyoshi Ogawa, Masaaki Sato | 2023-12-19 |
| 11809095 | Image forming apparatus | Tsuyoshi Ogawa, Masaaki Sato, Koji Fujinaka, Akitoshi Toyota, Yuichiro Inaba +2 more | 2023-11-07 |
| 11774881 | Toner container having a base portion with a discharge opening and a hole | Masaaki Sato, Koji Wada, Tsuyoshi Ogawa | 2023-10-03 |
| 11573521 | Image forming apparatus having an opening/closing member that is prevented from closing when a replenishment container is attached to a process unit | Koji Wada, Tsuyoshi Ogawa, Kenji Matsuzaka, Takao Sameshima, Tomio Noguchi +3 more | 2023-02-07 |
| 11506996 | Conveyance unit, process cartridge, and image forming apparatus | Masaaki Sato, Koji Wada, Tsuyoshi Ogawa | 2022-11-22 |
| 11487222 | Image forming apparatus | Tsuyoshi Ogawa, Masaaki Sato, Koji Fujinaka, Akitoshi Toyota, Yuichiro Inaba +2 more | 2022-11-01 |
| 11422484 | Cartridge, supply container, and image forming apparatus | Koji Wada, Tsuyoshi Ogawa, Masaaki Sato | 2022-08-23 |
| 11199794 | Conveyance unit, process cartridge, and image forming apparatus | Masaaki Sato, Koji Wada, Tsuyoshi Ogawa | 2021-12-14 |
| 10564591 | Photosensitive member unit and electrophotographic image forming apparatus | Shinjiro Toba, Masanari Morioka | 2020-02-18 |
| 10451996 | Developing blade, developing device, and cartridge | Shohei Katsuya, Yoshiyuki Batori, Koji Wada, Goshi Ozaki | 2019-10-22 |
| 10401762 | Cartridge and unit | Nobuharu Hoshi, Akira Suzuki, Toshiteru Yamasaki | 2019-09-03 |
| 10353339 | Cartridge with restriction member for restricting relative movement of toner cartridge and process cartridge | Isao Koishi, Shinjiro Toba, Masaaki Sato, Keita Moue, Toshiyuki Karakama | 2019-07-16 |
| 9817338 | Cartridge and unit with port for injection molding resin member | Nobuharu Hoshi, Akira Suzuki, Toshiteru Yamasaki | 2017-11-14 |
| 9688008 | Manufacturing method for cartridge having a molded electrode | Kuniaki Hirukawa, Akira Suzuki, Nobuharu Hoshi, Yuichi Fukui | 2017-06-27 |
| 9500979 | Cartridge and image forming apparatus | — | 2016-11-22 |