Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11789380 | Powder container having a flexible sheet to contact the conveying rotator | Hiroaki Nieda, Kuniyori Takano | 2023-10-17 |
| 11754963 | Image forming apparatus | — | 2023-09-12 |
| 11307517 | Powder container with a contact portion to cancel a restriction member from restricting rotation of an engagement portion | Hiroaki Nieda, Kuniyori Takano | 2022-04-19 |
| 11231664 | Toner container having a shutter, a lever disposed on one side, and a pivoting portion on the other side which rotate together with a common shaft | Tomofumi Yoshida, Kohta Sakaya, Jin Sam Park, Goo Chui Jung, Yasunobu Ogata | 2022-01-25 |
| 10915040 | Toner container with an operating structure disposed on a first side, a shutter disposed on a second side, and a lock | Tomofumi Yoshida, Kohta Sakaya, Jin Sam Park, Goo Chul Jung, Yasunobu Ogata | 2021-02-09 |
| 10866537 | Powder container having contact portion to contact a restriction member | Hiroaki Nieda, Kuniyori Takano | 2020-12-15 |
| 10564572 | Toner container with an operating structure disposed on a first side, and a shutter disposed on a second side | Tomofumi Yoshida, Kohta Sakaya, Jin Sam Park, Goo Chul Jung, Yasunobu Ogata | 2020-02-18 |
| 10401758 | Powder container, process cartridge, and image forming apparatus | Emi Kita | 2019-09-03 |
| 10365584 | Toner container, developing device, process cartridge, and image forming apparatus that include a toner container contacting surface to contact with a developing device engagement releasing structure | Tomofumi Yoshida, Kohta Sakaya, Jin Sam Park, Goo Chul Jung, Yasunobu Ogata | 2019-07-30 |
| 10254680 | Powder container, process cartridge, and image forming apparatus | Emi Kita | 2019-04-09 |
| 10025227 | Toner container, developing device, process cartridge, and image forming apparatus that include a toner container contacting surface to contact with a developing device engagement releasing structure | Tomofumi Yoshida, Kohta Sakaya, Jin Sam Park, Goo Chul Jung, Yasunobu Ogata | 2018-07-17 |
| 10025228 | Collecting member to collect image forming powder | Kohta Sakaya | 2018-07-17 |
| 9690231 | Toner container, developing device, process cartridge, and image forming apparatus that include an operating member to move a shutter for a toner outlet via a linking member | Tomofumi Yoshida, Kohta Sakaya, Jin Sam Park, Goo Chul Jung, Yasunobu Ogata | 2017-06-27 |
| 9405213 | Optical-writing-head positioner and image forming apparatus incorporating same | Takahiro Yoshimi, Kenji Nakamura | 2016-08-02 |
| 9348309 | Image forming apparatus and driving method for driving image forming apparatus | Masanari Fujita, Yasuhide Matsuno, Shin Murayama, Shin Yamamoto | 2016-05-24 |
| 9261816 | Developer amount detector, developing device, process unit, and image forming apparatus | Kohta Sakaya, Yasuhide Ohkubo, Yasunobu Ogata | 2016-02-16 |
| D740357 | Powder container | Kohta Sakaya, Seong Ryeol Pyo, Kyo Sik Woo | 2015-10-06 |
| 8843005 | Developing device, process unit, and image forming apparatus | Tomofumi Yoshida | 2014-09-23 |
| 8768203 | Image forming apparatus capable of effectively utilizing interior space | Manabu Hamada, Tomofumi Yoshida, Hirobumi Ooyoshi, Yoshiyuki Shimizu, Takeru Muramatsu +6 more | 2014-07-01 |
| 8526849 | Process cartridge and image forming apparatus | Tomofumi Yoshida, Hirobumi Ooyoshi, Yoshiyuki Shimizu | 2013-09-03 |
| 8478162 | Image forming apparatus | — | 2013-07-02 |