Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11982952 | Toner cartridge having feeding member and pump for discharging pump | Naoya Asanuma, Takatoshi Hamada, Masato Tanabe, Yusuke Atsu | 2024-05-14 |
| 11971682 | Cartridge and image forming apparatus | Hideki Kakuta, Toshiaki Takeuchi, Yu Akiba, Shuichi Gofuku, Yusuke Atsu +1 more | 2024-04-30 |
| 11841644 | Toner cartridge and image forming apparatus including a screw to convey toner in the cartridge, an elastic member to loosen the toner, and a means to discharge toner together with air to the outside of the cartridge | Masato Tanabe | 2023-12-12 |
| 11650538 | Cartridge and image forming apparatus | Hideki Kakuta, Toshiaki Takeuchi, Yu Akiba, Shuichi Gofuku, Yusuke Atsu +1 more | 2023-05-16 |
| 11442379 | Toner cartridge for an image forming apparatus including a pump to discharge toner by putting air into the toner discharge chamber | Masato Tanabe | 2022-09-13 |
| 11360427 | Cartridge and remanufacturing method of cartridge | Hiroki Shimizu, Masakazu Tatsumi | 2022-06-14 |
| 11287763 | Toner transport apparatus | Masato Tanabe, Takatoshi Hamada, Yusuke Atsu | 2022-03-29 |
| 11016440 | Cartridge reproduction method and cartridge | Hiroki Shimizu, Masato Tanabe | 2021-05-25 |
| 10955794 | Cartridge and remanufacturing method of cartridge | Hiroki Shimizu, Masakazu Tatsumi | 2021-03-23 |
| 10852687 | Image forming apparatus | Shoichi Zensai, Hiroki Takano | 2020-12-01 |
| 10816930 | Image forming apparatus | Koji Miwa, Shoichi Zensai | 2020-10-27 |
| 10732545 | Cartridge remanufacturing method and cartridge | Toshiaki Takeuchi, Shuichi Gofuku, Yu Akiba, Shota Nakamura, Masakazu Tatsumi +1 more | 2020-08-04 |
| 10571858 | Image forming apparatus and configuration of cartridge unit | Shoichi Zensai, Takamichi Matsuo | 2020-02-25 |
| 10496034 | Image forming apparatus | Hiroki Takano, Shoichi Zensai | 2019-12-03 |
| 10459396 | Image forming apparatus | Shoichi Zensai, Hiroki Takano | 2019-10-29 |
| 10423119 | Image forming apparatus including a pressing member configured to press a development unit | Shoichi Zensai, Takashi Yano | 2019-09-24 |
| 10261463 | Image forming apparatus | Shoichi Zensai, Takashi Yano | 2019-04-16 |
| 10191445 | Image forming apparatus | Shoichi Zensai | 2019-01-29 |
| 10073408 | Image forming apparatus including a pressing member configured to press a development unit | Shoichi Zensai, Takashi Yano | 2018-09-11 |
| 10018959 | Image forming apparatus | Shoichi Zensai, Takashi Yano | 2018-07-10 |
| 9927764 | Image forming apparatus | Shoichi Zensai | 2018-03-27 |
| 9164424 | Cartridge with flexible developer bag and elastic member for acting on the developer bag | Yuuki Nakamura, Yoshiyuki Batori, Takatoshi Hamada, Toshiaki Takeuchi, Daisuke Makiguchi | 2015-10-20 |