Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11506994 | Toner cartridge including a protrusion protruding from a center of a conveyance drive gear | Tomohiro Kubota, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada, Masato Tsuji +1 more | 2022-11-22 |
| 11231663 | Toner cartridge including a protrusion protruding from a center of a conveyance drive gear | Tomohiro Kubota, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada, Masato Tsuji +1 more | 2022-01-25 |
| 10816914 | Developer container for image forming apparatus | Tomohiro Kubota, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada, Masato Tsuji +1 more | 2020-10-27 |
| 10558145 | Downsized developer container with higher degree of freedom | Tomohiro Kubota, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada, Masato Tsuji +1 more | 2020-02-11 |
| 10496013 | Developing device, process cartridge, and image forming apparatus | Tomohiro Kubota, Minoru Toyoda, Kazuki Matsumoto, Kenji Nakamura | 2019-12-03 |
| 10295933 | Developer container, developing device, process unit, and image forming apparatus | Tomohiro Kubota, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada, Masato Tsuji +1 more | 2019-05-21 |
| 10175607 | Developer container including a convex portion, a rotator, and a recess | Tomohiro Kubota, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada, Masato Tsuji +1 more | 2019-01-08 |
| 9811023 | Developing device, image forming apparatus, and toner detection method | Akinori Yamaguchi | 2017-11-07 |
| 9772601 | Image forming apparatus and process unit | Mitsutoshi Kichise, Takeshi Yamashita, Kazuki Matsumoto, Emi Kita, Takeshi Sakashita +1 more | 2017-09-26 |
| 9733607 | Toner conveyance device and image forming apparatus | Kazuki Matsumoto, Emi Kita, Mitsutoshi Kichise | 2017-08-15 |
| 9696657 | Developer container, developing device, process unit, and image forming apparatus | Tomohiro Kubota, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada, Masato Tsuji +1 more | 2017-07-04 |
| 9360824 | Image forming apparatus and process cartridge | Tomohiro Fukao, Tsuyoshi Nozaki, Yoshihiro Mikuriya, Yoshimichi Ishikawa, Atsushi Yamamoto +4 more | 2016-06-07 |
| 9280130 | Developer container, developing device, process unit, and image forming apparatus | Tomohiro Kubota, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada, Masato Tsuji +1 more | 2016-03-08 |
| 9201341 | Developer container, developing device, processing unit, image forming device, and method of manufacturing developer container | Shoh Tsuritani, Manabu Hamada, Tomohiro Kubota | 2015-12-01 |
| 9182688 | Image forming apparatus, image forming method and process cartridge | Takuya Kadota, Yoshihiro Mikuriya, Tsuyoshi Nozaki, Yoshimichi Ishikawa, Kazuoki Fuwa +5 more | 2015-11-10 |
| 9176419 | Developer container, developing device, process unit, and image forming apparatus | Tomohiro Kubota, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada, Masato Tsuji +1 more | 2015-11-03 |
| 9164435 | Fixing device and image forming apparatus | Tomoya Adachi, Atsushi Takehara, Tomohiko Fujii, Yutaka Naitoh, Minoru Toyoda +9 more | 2015-10-20 |
| 9116460 | Reducing toner adhesion to a development device of an image forming apparatus | Yasuhide Matsuno, Yuji Nagatomo, Takahiro Sanada | 2015-08-25 |
| 9069284 | Image forming apparatus and powder transport unit | Yoshiyuki Shimizu, Tomohiro Kubota, Shoh Tsuritani, Manabu Hamada, Masato Tsuji +1 more | 2015-06-30 |
| 8983323 | Color image forming apparatus with a line velocity difference set between image carriers | Takeshi Yamashita, Yuji Nagatomo, Yasuhiro Fujiwara, Takafumi Miyazaki, Yasuhide Matsuno +5 more | 2015-03-17 |
| D724655 | Powder container | Tomohiro Kubota, Sho Tsuritani, Yoshiyuki Shimizu, Emi Kita, Manabu Hamada +1 more | 2015-03-17 |
| 8971743 | Image forming apparatus and image forming method | Takafumi Miyazaki, Yuji Nagatomo, Yasuhide Matsuno, Takahiro Sanada, Yasuhiro Fujiwara +3 more | 2015-03-03 |
| D723099 | Powder container | Tomohiro Kubota, Sho Tsuritani, Yoshiyuki Shimizu, Emi Kita, Manabu Hamada +1 more | 2015-02-24 |
| 8892007 | Image forming apparatus, toner supplying method, and computer program product | Toshiaki Takane, Tomohiro Kubota | 2014-11-18 |
| 8861991 | Developer amount detector, and developer container, development device, and image forming apparatus incorporating same | Tomohiro Kubota, Hirobumi Ooyoshi, Tomofumi Yoshida, Yoshiyuki Shimizu, Manabu Hamada +1 more | 2014-10-14 |