Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11675286 | Image forming apparatus configured to determine abnormality of drum unit earth terminal | — | 2023-06-13 |
| 10890855 | Power supply apparatus and image forming apparatus for determining malfunction or load abnormality | Yohei Shiraki | 2021-01-12 |
| 10747158 | Distinction of causes of errors in image forming apparatus | — | 2020-08-18 |
| 10656666 | Bias output apparatus including a plurality of voltage output circuits, and image forming apparatus | — | 2020-05-19 |
| 10038803 | Image forming apparatus | Yousuke Hata, Toshifumi Kakutani, Takeyuki Suda, Shinya Suzuki, Manabu Koseki +6 more | 2018-07-31 |
| 10031436 | High voltage generation apparatus and image forming apparatus | Satoshi Ogawara | 2018-07-24 |
| 10025218 | Image forming apparatus including high voltage generating circuit | — | 2018-07-17 |
| 9910407 | Image forming apparatus and image forming system | Toshifumi Kakutani, Takayuki Iikura, Shuji Obata, Mitsuhiro Sugeta, Kazunori Miyake +6 more | 2018-03-06 |
| 9835970 | Image forming apparatus with pre-exposure member | Kenichi Shibuya, Sumito Tanaka, Shota Soda, Jun Tomine, Hiroyuki Eda | 2017-12-05 |
| 9804528 | Image forming apparatus that cleans detection surface of sensor for detecting developer accommodated in containing unit | Masahiro Shinotsuka, Tetsuhiro Yoshimoto | 2017-10-31 |
| 9650220 | Sheet feeding apparatus and image forming apparatus | Manabu Koseki, Takayuki Iikura, Shuji Obata, Mitsuhiro Sugeta, Kazunori Miyake +5 more | 2017-05-16 |
| 9557705 | Image forming apparatus including determination of amount of waste toner | Manabu Koseki, Yousuke Hata, Toshihide Shima, Hiroyuki Eda, Takeyuki Suda +4 more | 2017-01-31 |
| 9523945 | Image forming apparatus that forms image on image carrier | Takayuki Iikura, Shuji Obata, Mitsuhiro Sugeta, Kazunori Miyake, Toshifumi Kakutani +6 more | 2016-12-20 |
| 9525795 | Image forming apparatus with rotary polygon mirror speed control | Kazumi Sato, Toshifumi Kakutani, Yousuke Hata, Shinya Suzuki, Takayuki Iikura +6 more | 2016-12-20 |
| 9507310 | Image forming apparatus having circuit board with silk-printed mark for holding claw | — | 2016-11-29 |
| 9467586 | Image forming apparatus | Yousuke Hata, Toshifumi Kakutani, Takeyuki Suda, Shinya Suzuki, Manabu Koseki +6 more | 2016-10-11 |