Issued Patents All Time
Showing 1–25 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429811 | Cartridge and image forming apparatus | Naoki Matsumaru, Ryuta Murakami, Tadashi Horikawa, Akihiro Fujiwara, Akinobu Hirayama +5 more | 2025-09-30 |
| 12169376 | Toner cartridge and image forming apparatus | Akinobu Hirayama, Toshiki Fujino, Teruhiko Sasaki, Daisuke Abe | 2024-12-17 |
| 12140884 | Toner container and image forming system | Goshi Ozaki, Hiroyuki Munetsugu, Teruhiko Sasaki, Akinobu Hirayama, Toshiki Fujino | 2024-11-12 |
| 12038716 | Cartridge, drum unit and image forming apparatus | Toshiki Fujino, Akinobu Hirayama, Teruhiko Sasaki, Daisuke Abe, Masanari Morioka +2 more | 2024-07-16 |
| 12038717 | Process unit including first and second resin materials and image forming apparatus | Yuichi Sakakibara, Yosuke Kashiide, Hiroyuki Munetsugu, Yuko Harada, Goshi Ozaki +6 more | 2024-07-16 |
| 12032330 | Cartridge, drum unit and image forming apparatus | Toshiki Fujino, Akinobu Hirayama, Teruhiko Sasaki, Daisuke Abe, Masanari Morioka +2 more | 2024-07-09 |
| 11927910 | Cartridge and image forming apparatus | Ryuta Murakami, Daisuke Makiguchi, Goshi Ozaki, Daisuke Abe | 2024-03-12 |
| D1015421 | Process cartridge for image forming apparatus | Shigemi Kamoshida, Hiroyuki Munetsugu, Isao Koishi, Yosuke Kashiide, Takashi Kimura +6 more | 2024-02-20 |
| 11906927 | Cartridge, drum unit and image forming apparatus | Toshiki Fujino, Akinobu Hirayama, Teruhiko Sasaki, Daisuke Abe, Masanari Morioka +2 more | 2024-02-20 |
| 11822265 | Toner container and image forming system | Goshi Ozaki, Hiroyuki Munetsugu, Teruhiko Sasaki, Akinobu Hirayama, Toshiki Fujino | 2023-11-21 |
| 11662673 | Toner container having nozzle and projection at bottom of container and image forming system using container | Goshi Ozaki, Hiroyuki Munetsugu, Teruhiko Sasaki, Akinobu Hirayama, Toshiki Fujino | 2023-05-30 |
| 11592766 | Toner container and image forming system | Goshi Ozaki, Hiroyuki Munetsugu, Teruhiko Sasaki, Akinobu Hirayama, Toshiki Fujino | 2023-02-28 |
| 11520286 | Cartridge and image forming apparatus | Yuichi Sakakibara, Yosuke Kashiide, Hiroyuki Munetsugu, Yuko Harada, Goshi Ozaki +6 more | 2022-12-06 |
| 10915060 | Developing device having restricted movement, process cartridge and image forming apparatus | Shigemi Kamoshida, Goshi Ozaki, Shohei Katsuya, Ryota Shibuya, Daisuke Makiguchi | 2021-02-09 |
| 10663886 | Development cartridge, process cartridge, and image forming apparatus | Shinjiro Toba, Hiroyuki Munetsugu, Mitsuhiro Sato, Yu Fukasawa, Hideki Nagae +1 more | 2020-05-26 |
| D873336 | Process cartridge for image forming apparatus | Yosuke Kashiide, Takashi Kimura, Naoki Hayashi, Yu Fukasawa | 2020-01-21 |
| D873335 | Process cartridge for image forming apparatus | Yosuke Kashiide, Takashi Kimura, Naoki Hayashi, Yu Fukasawa | 2020-01-21 |
| 10509361 | Image forming apparatus and cartridge mountable on the same | Koji Wada, Shota Kase, Terutaka Endo | 2019-12-17 |
| 10310410 | Development cartridge, process cartridge, and image forming apparatus | Shinjiro Toba, Hiroyuki Munetsugu, Mitsuhiro Sato, Yu Fukasawa, Hideki Nagae +1 more | 2019-06-04 |
| D843443 | Process cartridge for image forming apparatus | Masaaki Sato, Hiroyuki Munetsugu, Koji Wada, Yosuke Kashiide, Naoki Hayashi +6 more | 2019-03-19 |
| 10025217 | Cartridge and image forming apparatus | Takashi Kimura, Yu Fukasawa | 2018-07-17 |
| 9715210 | Main body of image forming apparatus | Takahiro Miyoshi, Masatoshi Takiguchi, Shunsuke Uratani | 2017-07-25 |
| 9280131 | Developer container, developing apparatus, cleaning apparatus, process cartridge, and image forming apparatus | Ryosuke Nakazawa, Sho Shirakata, Kenji Hasegawa | 2016-03-08 |
| 9188940 | Developing device, process cartridge and drum unit | Yuichi Fukui, Fumito Nonaka, Shunsuke Uratani | 2015-11-17 |
| 9031475 | Developer containing chamber, developing device, process cartridge, and image forming apparatus | Sho Shirakata | 2015-05-12 |