Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8023867 | Magnet roller and method for the same, magnetic particle-support member, development device, process cartridge, and image forming apparatus | Yoshiyuki Takano, Tsuyoshi Imamura, Kyohta Koetsuka, Noriyuki Kamiya, Masayuki Ohsawa +3 more | 2011-09-20 |
| 7917067 | Magnetic field generating member and manufacturing method thereof, magnetic particle support body, image development device, process cartridge and image forming apparatus | Yoshiyuki Takano, Kyohta Koetsuka, Noriyuki Kamiya, Masayuki Ohsawa, Mieko Terashima +3 more | 2011-03-29 |
| 7907876 | Developer carrier, development device, process cartridge, and image forming apparatus | Masayuki Ohsawa, Tadaaki Hattori, Kyohta Koetsuka, Yoshiyuki Takano, Noriyuki Kamiya +2 more | 2011-03-15 |
| 7899374 | Magnetic particle carrying device, and developing unit, process cartridge, and image forming apparatus using the same, and surface treatment method of the same | Hiroya Abe, Tsuyoshi Imamura, Kyohta Koetsuka, Tadaaki Hattori, Yoshiyuki Takano +3 more | 2011-03-01 |
| 7890030 | Magnetic roller, developer carrier, developing device, process cartridge, and image forming apparatus | Kyohta Koetsuka, Yoshiyuki Takano, Tadaaki Hattori, Noriyuki Kamiya, Masayuki Ohsawa +3 more | 2011-02-15 |