Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10209645 | Vertical biaxial developing device and image forming apparatus and process cartridge incorporating same | Yuuki Tsuchiya, Masayuki Yamane, Keiichi Yoshida, Atsushi Kurokawa, Tatsuya OHHIRA | 2019-02-19 |
| 10168642 | Developing device and image forming apparatus and process cartridge incorporating same | Tatsuya OHHIRA, Masayuki Yamane, Keiichi Yoshida, Atsushi Kurokawa, Yuuki Tsuchiya | 2019-01-01 |
| 10114334 | Developing device with casing having upper and lower compartments | Tatsuya OHHIRA, Masayuki Yamane, Keiichi Yoshida, Atsushi Kurokawa, Yuuki Tsuchiya | 2018-10-30 |
| 9864297 | Developing device and image forming apparatus and process cartridge incorporating same | Tatsuya OHHIRA, Atsushi Kurokawa, Masayuki Yamane, Keiichi Yoshida, Shunji Katoh | 2018-01-09 |
| 9713177 | Management device, control device, and communication method | Fumihiko Yokota | 2017-07-18 |
| 9513575 | Removable device and image forming apparatus | Hideki Kimura, Masaki Takahashi, Masayuki Yamane | 2016-12-06 |
| 9170530 | Powder container and image forming apparatus incorporating same | Yuki Oshikawa, Yuuki Satoh, Takuya Seshita, Masashi Nagayama, Hiroyuki Uenishi +1 more | 2015-10-27 |
| 8953987 | Development device, and process cartridge and image forming apparatus including same | Hideki Kimura, Kunihiro Ohyama, Masayuki Yamane, Yoshihiro Fujiwara, Masaki Takahashi | 2015-02-10 |
| 8918028 | Toner conveying path forming member, toner replenishment unit, and image forming apparatus | Masaki Takahashi | 2014-12-23 |
| 8909095 | Process cartridge for image forming apparatus including a hollow alignment shaft | Masayuki Yamane, Kunihiro Ohyama, Hideki Kimura, Masaki Takahashi, Yoshihiro Fujiwara | 2014-12-09 |
| 8873979 | Development device, process cartridge, and image forming apparatus incorporating same | Yoshihiro Fujiwara, Kunihiro Ohyama, Masayuki Yamane, Hideki Kimura, Masaki Takahashi | 2014-10-28 |
| 8855536 | Development device, and process cartridge and image forming apparatus including same in which an angle formed using an end face of a buffer area is smaller than an angle of twist of a spiral blade | Hideki Kimura, Kunihiro Ohyama, Masayuki Yamane, Yoshihiro Fujiwara, Masaki Takahashi | 2014-10-07 |
| 8824932 | Development device, and process cartridge and image forming apparatus incorporating same | Katsumi Masuda, Takamasa Ozeki, Nobuyuki Taguchi, Yuuki Satoh, Kyohta Koetsuka +4 more | 2014-09-02 |
| 8682230 | Development device, process cartridge, and image forming apparatus including same having multiple recesses formed on a developer bearer | Nobuyuki Taguchi, Katsumi Masuda, Takamasa Ozeki, Yuuki Satoh, Kyohta Koetsuka +4 more | 2014-03-25 |
| 8326189 | Developing device, process cartridge, and image forming apparatus | Yoshiyuki Fukuda, Katsumi Masuda, Nobuyuki Taguchi, Yuuki Satoh, Yasufumi Takahashi +4 more | 2012-12-04 |