Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11137717 | Process cartridge and image forming apparatus | — | 2021-10-05 |
| 11086269 | Process cartridge and image forming apparatus | — | 2021-08-10 |
| 10955789 | Cleaning device having function that restricts movement range of cleaning blade and image forming apparatus having cleaning device | — | 2021-03-23 |
| 10444653 | Corona discharge device and image formation apparatus including the same | Yoshihiro Yoshikawa, Takeshi Nishiyama | 2019-10-15 |
| 10088769 | Corona discharge device and image formation apparatus including the same | Yoshihiro Yoshikawa, Takeshi Nishiyama | 2018-10-02 |
| 10036994 | Electrifier cleaning mechanism and image forming apparatus | Takeshi Nishiyama | 2018-07-31 |
| 10036997 | Process unit and image forming apparatus provided with the same | Yoshihiro Yoshikawa, Takeshi Nishiyama | 2018-07-31 |
| 9891582 | Process unit and image forming apparatus provided with the same | Yoshihiro Yoshikawa, Takeshi Nishiyama | 2018-02-13 |
| 8155569 | Toner cartridge and image forming apparatus | Yoshihiro Yoshikawa, Kazuya Koyama, Masanobu Deguchi, Takeshi Wakabayashi | 2012-04-10 |
| 8155566 | Toner feed unit with shutter assembly and image forming apparatus equipped with the same | Yoshihiro Yoshikawa, Koichi Mihara | 2012-04-10 |
| 8078087 | Toner carrying device and image forming apparatus | Masanobu Deguchi, Takeshi Wakabayashi, Kohichi Takenouchi, Kiyofumi Morimoto, Hiroo Naoi | 2011-12-13 |
| 8068771 | Image forming apparatus | — | 2011-11-29 |
| 7505711 | Waste developer collecting device and image forming apparatus provided therewith | Yasuyuki Ishiguro, Hiroshi Kubota, Hiroshi Kawahito, Jun Yamaguchi | 2009-03-17 |
| 7502576 | Development apparatus for mixing recycled developer with toner in a toner supply path and image forming apparatus having same | Hiroshi Kubota, Yasuyuki Ishiguro, Takeshi Takayama, Jun Yamaguchi, Hiroshi Kawahito | 2009-03-10 |