Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11320760 | Image forming apparatus and image forming method | Masahito Ishino, Keiya Nishimura, Toshiki Fujita | 2022-05-03 |
| 10877385 | Image forming apparatus and image forming method | Keiya Nishimura, Masahito Ishino, Toshiki Fujita | 2020-12-29 |
| 10338514 | Image forming apparatus, developer used thereby, and image forming method | Hiroaki Watanabe, Masahito Ishino | 2019-07-02 |
| 10289057 | Image forming apparatus that causes one of cleaning member and image bearing member including photosenstive layer to reciprocate and image forming method | Hiroaki Watanabe, Masahito Ishino | 2019-05-14 |
| 9696681 | Image forming apparatus including brush roller that charges photosensitive drum and removes toner remaining on circumferential surface of photosensitive drum | — | 2017-07-04 |
| 9285701 | Image forming apparatus including an image carrier, a charging member, a voltage applying part, a current measuring part and a controlling part | Masahiro Tsutsumi | 2016-03-15 |
| 8798506 | Image forming apparatus | Shinki Miyaji, Masaki Kadota, Masahito Ishino, Hiroka Itani | 2014-08-05 |
| 8706007 | Image forming apparatus | Shinki Miyaji, Masaki Kadota, Hiroka Itani, Masahito Ishino | 2014-04-22 |
| 8620184 | Image forming apparatus having a positively charged single layer type electrophotographic photoreceptor | Shinki Miyaji, Masaki Kadota, Masahito Ishino, Hiroka Itani | 2013-12-31 |
| 8583011 | Image forming apparatus having a positively charged single layer type electrophotographic photoreceptor | Shinki Miyaji, Masaki Kadota, Hiroka Itani, Masahito Ishino | 2013-11-12 |
| 8571429 | Image forming apparatus with positively-charged single layer type electrophotographic photoreceptors | Masaki Kadota, Shinki Miyaji, Masahito Ishino, Hiroka Itani | 2013-10-29 |
| 8509655 | Image forming apparatus | Shinki Miyaji, Masaki Kadota, Masahito Ishino, Hiroka Itani | 2013-08-13 |
| 8195068 | Charging unit and image forming apparatus | Yasuyuki Fukunaga, Mitsuhiro Goda | 2012-06-05 |
| 8036571 | Image forming apparatus | Shinki Miyaji | 2011-10-11 |