Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9098016 | Roller, developing roller, developing device, process cartridge, and image forming apparatus | Yuki Moro, Noriyuki Kamiya, Hiroya Abe, Masashi Nakayama, Soichiro Fukutomi +2 more | 2015-08-04 |
| 8958729 | Magnet roller, developer bearer, development device, process cartridge, and image forming apparatus | Noriyuki Kamiya, Masayuki Ohsawa, Yoshiyuki Takano, Hiroya Abe | 2015-02-17 |
| 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 |
| 8600271 | Magnet roller, developer holder element, develop unit, process cartridge, and image forming apparatus | Kyohta Koetsuka, Yoshiyuki Takano, Noriyuki Kamiya, Masayuki Ohsawa, Takumi Terasaka | 2013-12-03 |
| 8535116 | 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 | 2013-09-17 |
| 8500615 | Magnetic roller and manufacturing method thereof, developer carrier, development device, processing cartridge, and image forming apparatus | Tsuyoshi Imamura, Yoshiyuki Takano, Kyohta Koetsuka, Tadaaki Hattori, Noriyuki Kamiya +3 more | 2013-08-06 |
| 8135316 | Development roller, development device, process cartridge and image forming device | Toshio Kojima, Kyohta Koetsuka, Noriyuki Kamiya, Rei Suzuki, Tadaaki Hattori +3 more | 2012-03-13 |
| 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 |