Issued Patents All Time
Showing 1–19 of 19 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, Kyohta Koetsuka, Yoshiyuki Takano, Noriyuki Kamiya, Takashi Innami +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 |
| 8565652 | Development roller, development device, process cartridge and image-forming apparatus | Takumi Terasaka, Kyohta Koetsuka, Noriyuki Kamiya, Masayuki Ohsawa, Hiroya Abe | 2013-10-22 |
| 8135316 | Development roller, development device, process cartridge and image forming device | Kyohta Koetsuka, Noriyuki Kamiya, Rei Suzuki, Tadaaki Hattori, Yoshiyuki Takano +3 more | 2012-03-13 |
| 8133161 | Conductive member, process cartridge, and image forming apparatus | Tadayuki Oshima, Hiroki Furubayashi, Taisuke Tokuwaki, Tadaaki Hattori, Yutaka Narita +1 more | 2012-03-13 |
| 8105672 | Electroconductive member, process cartridge, and image forming apparatus | Makoto Nakamura, Yutaka Narita, Tadaaki Hattori, Taisuke Tokuwaki, Tadayuki Oshima +1 more | 2012-01-31 |
| 7925192 | Developing roller, developing device, process cartridge, and image forming apparatus | Kyohta Koetsuka, Rei Suzuki | 2011-04-12 |
| 7734221 | Conductive member, process cartridge using conductive member and image formation apparatus using process cartridge | Tadayuki Oshima, Hiroki Furubayashi, Taisuke Tokuwaki, Tadaaki Hattori, 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, Tadaaki Hattori, 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, Tadaaki Hattori, Taisuke Tokuwaki +1 more | 2009-04-07 |
| 7493064 | Electric conductive member, process cartridge and image forming apparatus | Yutaka Narita, Makoto Nakamura, Tadaaki Hattori, Taisuke Tokuwaki, Tadayuki Oshima +1 more | 2009-02-17 |
| 5329952 | Apparatus for washing dishes | Chiyoshi Toya, Takeshi Hugikawa, Hiroshi Torimitsu, Tomio Suyama, Sadayuki Hirate | 1994-07-19 |
| 5326148 | Operator compartment protecting device for construction vehicles | Hiroshi Ishida | 1994-07-05 |
| 5207163 | Leg attaching tool | — | 1993-05-04 |
| 4959063 | Spinal needle with optical fiber means for radiating a laser beam | — | 1990-09-25 |
| 4474733 | Heat resistant nickel base alloy excellent in workability and high temperature strength properties | Hiroshi Susukida, Ichiro Tsuji, Hisataka Kawai, Hitomi Itoh, Makoto Yuge +2 more | 1984-10-02 |
| 4429733 | Apparatus for controlling blowing mode of a car air-conditioner | Toshizo Hara, Shinji Sutoh | 1984-02-07 |
| 4381480 | Apparatus for controlling a blower motor | Toshizo Hara, Shinji Sutoh | 1983-04-26 |