Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8824932 | Development device, and process cartridge and image forming apparatus incorporating same | Katsumi Masuda, Takamasa Ozeki, Nobuyuki Taguchi, Yuuki Satoh, Toshiki Hayashi +4 more | 2014-09-02 |
| 8731444 | Develop roller, develop unit, process cartridge, and image forming apparatus | Masayuki Ohsawa, Toshio Kojima, Kyohta Koetsuka, Yoshiyuki Takano, Noriyuki Kamiya +1 more | 2014-05-20 |
| 8682230 | Development device, process cartridge, and image forming apparatus including same having multiple recesses formed on a developer bearer | Nobuyuki Taguchi, Katsumi Masuda, Takamasa Ozeki, Yuuki Satoh, Toshiki Hayashi +4 more | 2014-03-25 |
| 8600271 | Magnet roller, developer holder element, develop unit, process cartridge, and image forming apparatus | Takashi Innami, Kyohta Koetsuka, Yoshiyuki Takano, Noriyuki Kamiya, Masayuki Ohsawa | 2013-12-03 |
| 8565652 | Development roller, development device, process cartridge and image-forming apparatus | Toshio Kojima, Kyohta Koetsuka, Noriyuki Kamiya, Masayuki Ohsawa, Hiroya Abe | 2013-10-22 |