Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10921729 | Image forming apparatus | Tamotsu Shimizu, Satoshi Sunayama, Kazuhiro Nakachi, Ai Takagami, Kanako Kikuchi | 2021-02-16 |
| 10788771 | Image forming apparatus with charging amount acquisition unit | Tamotsu Shimizu, Kenichi Tamaki | 2020-09-29 |
| 10775712 | Image forming apparatus with a charging amount acquisition unit that performs a charging amount acquisition operation for forming a measurement toner image on an image carrier | Tamotsu Shimizu | 2020-09-15 |
| 10775727 | Image forming apparatus with a charging amount acquisition unit that performs a charging amount acquisition operation for forming a measurement toner image on an image carrier | Akifumi Yamaguchi, Koji Suenami, Tamotsu Shimizu | 2020-09-15 |
| 9829829 | Developing device and image forming apparatus provided with same | Tamotsu Shimizu, Eiji Gyotoku, Akihiro Watanabe, Norio Kubo, Minoru Wada +2 more | 2017-11-28 |
| 9400448 | Image forming apparatus with a surface of a development roller and shell layers of toner particles being formed from a thermosetting resin | Kenshi Matsui | 2016-07-26 |