Issued Patents All Time
Showing 1–25 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11771631 | Cosmetic composition comprising a specific filler combination and a film-forming polymer to increase long-lasting effects | Mariko Okamoto, Yuka KAMIDOI | 2023-10-03 |
| 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 | Kohta Sakaya, Shinichi Arasawa, Jin Sam Park, Goo Chui Jung, Yasunobu Ogata | 2022-01-25 |
| 10915063 | Removable unit and image forming apparatus incorporating same | — | 2021-02-09 |
| 10915040 | Toner container with an operating structure disposed on a first side, a shutter disposed on a second side, and a lock | Kohta Sakaya, Shinichi Arasawa, Jin Sam Park, Goo Chul Jung, Yasunobu Ogata | 2021-02-09 |
| 10648886 | In-vehicle electronic control unit | Yoshiyasu Futamura, Shinya Noda | 2020-05-12 |
| 10564572 | Toner container with an operating structure disposed on a first side, and a shutter disposed on a second side | Kohta Sakaya, Shinichi Arasawa, Jin Sam Park, Goo Chul Jung, Yasunobu Ogata | 2020-02-18 |
| 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 | Kohta Sakaya, Shinichi Arasawa, Jin Sam Park, Goo Chul Jung, Yasunobu Ogata | 2019-07-30 |
| 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 | Kohta Sakaya, Shinichi Arasawa, Jin Sam Park, Goo Chul Jung, Yasunobu Ogata | 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 | Kohta Sakaya, Shinichi Arasawa, Jin Sam Park, Goo Chul Jung, Yasunobu Ogata | 2017-06-27 |
| 9500992 | Developing device having a powder conveyor, process cartridge, and image forming apparatus including the same | Takafumi Miyazaki, Rie Mitani, Yasuhide Ohkubo, Yuusuke Furuichi | 2016-11-22 |
| 9229372 | Developing device, process cartridge, and image forming apparatus | Takafumi Miyazaki, Yasuhide Ohkubo, Yuusuke Furuichi, Rie Mitani | 2016-01-05 |
| 9201393 | Toner container, process cartridge, and image forming apparatus | Yuusuke Furuichi, Rie Mitani, Takafumi Miyazaki, Hidekazu Shono, Osamu Saito +7 more | 2015-12-01 |
| 9042745 | Developer amount detector, image forming apparatus incorporating same, and positioning structure for positioning unit within image forming apparatus | Tomohiro Kubota, Yoshiyuki Shimizu | 2015-05-26 |
| 8913926 | Developer container, developing device, process cartridge, image forming device, and developer refilling method | Kenji Nakamura, Hirobumi Ooyoshi, Manabu Hamada | 2014-12-16 |
| 8861991 | Developer amount detector, and developer container, development device, and image forming apparatus incorporating same | Tomohiro Kubota, Naoki Nakatake, Hirobumi Ooyoshi, Yoshiyuki Shimizu, Manabu Hamada +1 more | 2014-10-14 |
| 8843005 | Developing device, process unit, and image forming apparatus | Shinichi Arasawa | 2014-09-23 |
| 8768203 | Image forming apparatus capable of effectively utilizing interior space | Manabu Hamada, Hirobumi Ooyoshi, Yoshiyuki Shimizu, Takeru Muramatsu, Tomohiro Kubota +6 more | 2014-07-01 |
| 8755720 | Powder supply device, developing device, and image forming apparatus | Rie Mitani | 2014-06-17 |
| 8571426 | Toner supply method, development device, process unit, and image forming apparatus | Tomohiro Kubota, Naoki Nakatake, Atsushi Takehara, Sho Tsuritani | 2013-10-29 |
| 8526849 | Process cartridge and image forming apparatus | Hirobumi Ooyoshi, Yoshiyuki Shimizu, Shinichi Arasawa | 2013-09-03 |
| 8442414 | Seal member, developing device, process cartridge, and image forming apparatus | Tomohiro Kubota, Kenzo Tatsumi, Hirobumi Ooyoshi, Yoshihiro Kawakami, Yoshiyuki Shimizu | 2013-05-14 |
| 8275285 | Process cartridge and image forming apparatus | Yoshihiro Kawakami, Koji Kato, Hirobumi Ooyoshi, Kenzo Tatsumi, Yoshiyuki Shimizu +1 more | 2012-09-25 |
| 8260524 | Sensor system | — | 2012-09-04 |
| 8260186 | Toner cartridge with refillable fresh and residual toner chambers, process cartridge, and method of making toner cartridge reusable | Tomohiro Kubota, Kenzo Tatsumi, Hirobumi Ooyoshi, Yoshiyuki Shimizu, Yoshihiro Kawakami +2 more | 2012-09-04 |
| 8208832 | Toner-collecting device and image forming apparatus | Hirobumi Ooyoshi, Kenzo Tatsumi, Yoshihiro Kawakami, Yoshiyuki Shimizu, Tomohiro Kubota +1 more | 2012-06-26 |