Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Yoshiyuki Takano, Noriyuki Kamiya +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, Noriyuki Kamiya, Hiroya Abe +3 more | 2013-08-06 |
| 8133161 | Conductive member, process cartridge, and image forming apparatus | Tadayuki Oshima, Hiroki Furubayashi, Taisuke Tokuwaki, Toshio Kojima, Yutaka Narita +1 more | 2012-03-13 |
| 8135316 | Development roller, development device, process cartridge and image forming device | Toshio Kojima, Kyohta Koetsuka, Noriyuki Kamiya, Rei Suzuki, Yoshiyuki Takano +3 more | 2012-03-13 |
| 8105672 | Electroconductive member, process cartridge, and image forming apparatus | Makoto Nakamura, Toshio Kojima, Yutaka Narita, Taisuke Tokuwaki, Tadayuki Oshima +1 more | 2012-01-31 |
| 8041259 | Conductive member, process cartridge including same, and image forming apparatus including the process cartridge | Yutaka Narita, Makoto Nakamura, Taisuke Tokuwaki, Tadayuki Oshima, Hiroki Furubayashi | 2011-10-18 |
| 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, Kyohta Koetsuka, Yoshiyuki Takano, Noriyuki Kamiya, Rei Suzuki +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, Yoshiyuki Takano, Noriyuki Kamiya +3 more | 2011-03-01 |
| 7890030 | Magnetic roller, developer carrier, developing device, process cartridge, and image forming apparatus | Takashi Innami, Kyohta Koetsuka, Yoshiyuki Takano, Noriyuki Kamiya, Masayuki Ohsawa +3 more | 2011-02-15 |
| 7734221 | Conductive member, process cartridge using conductive member and image formation apparatus using process cartridge | Tadayuki Oshima, Hiroki Furubayashi, Taisuke Tokuwaki, Toshio Kojima, Makoto Nakamura +1 more | 2010-06-08 |
| 7693455 | Conductive member, process cartridge having conductive member, and image forming apparatus having process cartridge | Taisuke Tokuwaki, Yutaka Narita, Toshio Kojima, Makoto Nakamura, Tadayuki Oshima +1 more | 2010-04-06 |
| 7515852 | Conductive member, charging member using the conductive member, process cartridge using the charging member and image forming apparatus using process cartridge | Makoto Nakamura, Yutaka Narita, Tadayuki Oshima, Toshio Kojima, Taisuke Tokuwaki +1 more | 2009-04-07 |
| 7493064 | Electric conductive member, process cartridge and image forming apparatus | Yutaka Narita, Makoto Nakamura, Toshio Kojima, Taisuke Tokuwaki, Tadayuki Oshima +1 more | 2009-02-17 |
| 5081658 | Method of measuring plating amount and plating film composition of plated steel plate and apparatus therefor | Kiyotaka Imai, Hiroharu Kato, Katsuyuki Nishifuji | 1992-01-14 |