Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12181804 | Cleanerless image forming apparatus with toner containing 1.8% by mass or less an external additive having a diameter of 5-50 nanometers | Shogo Kezuka, Akihiro Kawasaki, Yutaro Kaku | 2024-12-31 |
| 11460788 | Image forming apparatus | Keiji Kunimi | 2022-10-04 |
| 10606202 | Image forming apparatus to calculate film thicknesses of a photoconductor film of a photoconductor, image forming method, and non-transitory recording medium storing image forming program | Takahiro Yoshimi, Shinji Minami | 2020-03-31 |
| 9348309 | Image forming apparatus and driving method for driving image forming apparatus | Masanari Fujita, Shin Murayama, Shin Yamamoto, Shinichi Arasawa | 2016-05-24 |
| 9298127 | Developing device and image forming apparatus including same | Yoshio Sakagawa, Shin Murayama | 2016-03-29 |
| 9217989 | Process unit and image forming apparatus incorporating same | Mitsutoshi Kichise, Kenji Nakamura, Takeshi Yamashita, Tamotsu Ikeda, Minoru Toyoda | 2015-12-22 |
| 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 |
| 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 | Naoki Nakatake, Yuji Nagatomo, Takahiro Sanada | 2015-08-25 |
| 9007409 | Optical writing head positioning mechanism, process cartridge, and image forming apparatus | Kenji Nakamura, Tamotsu Ikeda, Minoru Toyoda, Masanari Fujita, Takahiro Yoshimi | 2015-04-14 |
| 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, Takahiro Sanada, Yasuhiro Fujiwara +3 more | 2015-03-03 |
| 8867971 | Developer regulator, development device, and image forming apparatus incorporating same | Ryuji Inoue, Yuji Nagatomo | 2014-10-21 |
| 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, Hiroaki Katoh +7 more | 2014-08-12 |