Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9658574 | Powder container, developing device, process unit, and image forming apparatus | Shoh Tsuritani, Tomohiro Kubota, Yoshiyuki Shimizu, Masato Tsuji, Akinori Harada | 2017-05-23 |
| 9551956 | Image forming apparatus that utilizes toner roller bias voltages for image density adjustments | Yuji Nagatomo, Shintaro Yamada, Shinji Aoki | 2017-01-24 |
| 9335663 | Seal, cleaning unit with seal, transfer unit with seal, developing unit with seal, process cartridge with seal, image forming apparatus with seal, and image forming method | Tomohiro Kubota, Takahiro Sanada, Yuji Nagatomo | 2016-05-10 |
| 9164435 | Fixing device and image forming apparatus | Tomoya Adachi, Atsushi Takehara, Tomohiko Fujii, Yutaka Naitoh, Minoru Toyoda +9 more | 2015-10-20 |
| 9134642 | Image forming apparatus | Rumi Miyazaki | 2015-09-15 |
| 8983323 | Color image forming apparatus with a line velocity difference set between image carriers | Takeshi Yamashita, Yuji Nagatomo, Naoki Nakatake, Yasuhiro Fujiwara, Takafumi Miyazaki +5 more | 2015-03-17 |
| 8971743 | Image forming apparatus and image forming method | Takafumi Miyazaki, Naoki Nakatake, Yuji Nagatomo, Yasuhide Matsuno, Takahiro Sanada +3 more | 2015-03-03 |
| 8805222 | Image developing device, process cartridge including image developing device, and image forming device including image developing device | Naoki Nakatake, Tomohiro Kubota, Shoh Tsuritani, Yuji Nagatomo, Yasuhide Matsuno +7 more | 2014-08-12 |