Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10976680 | Image forming apparatus in which AC-type biasing is adopted for charging or development | Takuji Watanabe | 2021-04-13 |
| 10979580 | Image processing apparatus capable of extending function, and image forming apparatus provided with the same | — | 2021-04-13 |
| 10901339 | Image forming apparatus which suppresses image defects due to interference between a charging alternating-current frequency and a developing alternating-current frequency | Takuji Watanabe | 2021-01-26 |
| 10310403 | Image forming apparatus | — | 2019-06-04 |
| 10222720 | Image forming apparatus controlling applied charging voltage based on potential of electrode film | — | 2019-03-05 |
| 10073369 | Image forming apparatus | — | 2018-09-11 |
| 9606468 | Image forming apparatus provided with an image carrying member that has a toner image formed on its surface | Takahiko Murata, Masaki Kadota, Ai Takagami, Maki Ike | 2017-03-28 |
| 7978991 | Image forming apparatus | — | 2011-07-12 |
| 7945183 | Image forming device | Shinki Miyaji | 2011-05-17 |
| 7899352 | Image forming apparatus | Shinki Miyaji, Yoshihiko Maruyama | 2011-03-01 |
| 7773933 | Cleaning device and method for an electrophotographic photoconductor | Masahito Ishino, Katsuya Ota, Yuki Matsui, Chikara Ishihara | 2010-08-10 |
| 7421229 | Image forming apparatus | Akane Tokushige | 2008-09-02 |
| 5797071 | Electrophotographic apparatus | Yoshio Ozawa, Hiroyoshi Tode, Yukio Ikeda | 1998-08-18 |
| 5729800 | Electrophotographic apparatus having an a-Si photosensitive drum assembled therein | Tadashi Ohba, Keiji Itsukushima, Hisashi Higuchi | 1998-03-17 |