Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11803134 | Powder container | Kenji Kikuchi, Shinji Tamaki, Hiroshi Hosokawa, Michiharu Suzuki, Hideo Yoshizawa +1 more | 2023-10-31 |
| 11543761 | Powder container including an opening and a shutter with a front end including a surface with lower friction | Kenji Kikuchi, Shinji Tamaki, Junji Yamabe | 2023-01-03 |
| 11372347 | Powder container | Kenji Kikuchi, Shinji Tamaki, Hiroshi Hosokawa, Michiharu Suzuki, Hideo Yoshizawa +1 more | 2022-06-28 |
| 10935905 | Powder container | Kenji Kikuchi, Shinji Tamaki, Hiroshi Hosokawa, Michiharu Suzuki, Hideo Yoshizawa +1 more | 2021-03-02 |
| 10908532 | Nozzle insertion member, powder container, and image forming apparatus | Kenji Kikuchi, Shinji Tamaki, Junji Yamabe | 2021-02-02 |
| 10809648 | Powder container | Kenji Kikuchi, Shinji Tamaki, Hiroshi Hosokawa, Michiharu Suzuki, Hideo Yoshizawa +1 more | 2020-10-20 |
| 10670990 | Nozzle insertion member, powder container, and image forming apparatus | Kenji Kikuchi, Shinji Tamaki, Junji Yamabe | 2020-06-02 |
| 10534290 | Powder container | Kenji Kikuchi, Shinji Tamaki, Hiroshi Hosokawa, Michiharu Suzuki, Hideo Yoshizawa +1 more | 2020-01-14 |
| 10401760 | Nozzle insertion member, powder container, and image forming apparatus | Kenji Kikuchi, Shinji Tamaki, Junji Yamabe | 2019-09-03 |
| 10088776 | Developing device, and image forming apparatus and process cartridge incorporating same | Hiroshi Hosokawa, Shinji Tamaki, Keiichi Yoshida, Ichiro Kadota | 2018-10-02 |
| 10048621 | Nozzle insertion member, powder container, and image forming apparatus | Kenji Kikuchi, Shinji Tamaki, Junji Yamabe | 2018-08-14 |
| 10031441 | Developing device, and image forming apparatus and process cartridge incorporating same | Keiichi Yoshida, Shinji Tamaki, Ichiro Kadota, Hiroshi Hosokawa | 2018-07-24 |
| 9864297 | Developing device and image forming apparatus and process cartridge incorporating same | Tatsuya OHHIRA, Atsushi Kurokawa, Masayuki Yamane, Keiichi Yoshida, Toshiki Hayashi | 2018-01-09 |
| 9857729 | Nozzle insertion member, powder container, and image forming apparatus | Kenji Kikuchi, Shinji Tamaki, Junji Yamabe | 2018-01-02 |
| 9513576 | Powder container | Kenji Kikuchi, Shinji Tamaki, Hiroshi Hosokawa, Michiharu Suzuki, Hideo Yoshizawa +1 more | 2016-12-06 |
| 9507290 | Magnetic permeability detector, developing device, image forming apparatus, and oscillation signal frequency calculation method therefor | Tetsuro Hirota, Hiroshi Hosokawa, Masayuki Yamane, Masahiro Watanabe, Shingo Nishizaki | 2016-11-29 |
| 9507291 | Magnetic permeability detector, developing device, image forming apparatus, and oscillation signal frequency calculation method therefor | Tetsuro Hirota, Hiroshi Hosokawa, Masayuki Yamane, Masahiro Watanabe, Shingo Nishizaki | 2016-11-29 |
| 9465317 | Nozzle insertion member, powder container, and image forming apparatus | Kenji Kikuchi, Shinji Tamaki, Junji Yamabe | 2016-10-11 |
| 9423720 | Powder container and image forming apparatus | Hiroshi Hosokawa | 2016-08-23 |
| 9348259 | Toner housing container and image forming apparatus | Masashi Nagayama, Hisashi Nakajima, Yoshitaka Sekiguchi, Saori Yamada, Shinya Hanatani +6 more | 2016-05-24 |
| 9261817 | Replenishing developer housing container and image forming apparatus | Hitoshi Iwatsuki, Shigenori Yaguchi, Hiroshi Tohmatsu, Toyoaki Tano, Hiroyuki Kishida +7 more | 2016-02-16 |
| 9170233 | Magnetic permeability detector, developing device, image forming apparatus, and oscillation signal frequency calculation method therefor | Tetsuro Hirota, Hiroshi Hosokawa, Masayuki Yamane, Masahiro Watanabe, Shingo Nishizaki | 2015-10-27 |
| 9152084 | Toner housing container and image forming apparatus | Masana Shiba, Shingo Sakashita, Junichi Awamura, Tomoki Murayama, Chihiro Kikuchi +6 more | 2015-10-06 |
| 9141031 | Toner housing container and image forming apparatus | Junji Yamabe, Seiji Terazawa, Shinji Tamaki, Kenji Kikuchi, Hiroshi Hosokawa +3 more | 2015-09-22 |
| 9069288 | Toner housing container and image forming apparatus | Satoshi Kojima, Junichi Awamura, Tsuneyasu Nagatomo, Shingo Sakashita, Tomoki Murayama +6 more | 2015-06-30 |