Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12210306 | Image forming system, resistance detection device, resistance detection method, and program | Yuhei Tatsumoto, Akimasa Ishikawa, Makoto Shimazoe, Yuta Tachibana | 2025-01-28 |
| 11990856 | Rotation detector and image forming apparatus | Yuta Tachibana, Hiroyuki Yoshikawa, Kazumichi YOSHIDA, Satoshi Miyajima | 2024-05-21 |
| 11221578 | Image forming apparatus that detects deterioration of a spring used to bias a sheet locking member | Taku Kimura, Masahiro Kamiya, Junichi Masuda, Masahiro Nonoyama, Akimasa Ishikawa | 2022-01-11 |
| 10313546 | Image reading apparatus and image forming apparatus | Takashi Watanabe, Kazutoshi Yoshimura, Kiyohito Tsujihara, Akinori Kimata, Shiro Umeda | 2019-06-04 |
| 10148167 | Power supply device and control method | Toru Kasamatsu, Mikiyuki Aoki | 2018-12-04 |
| 10069425 | Switching power supply device for reducing energy loss | Mikiyuki Aoki, Toru Kasamatsu | 2018-09-04 |
| 9927759 | Power supply device for suppressing cross regulation and image forming apparatus including power supply device | Toru Kasamatsu, Mikiyuki Aoki | 2018-03-27 |
| 9645541 | Electric power supply device which can reduce the amount of power consumption | Toru Kasamatsu, Mikiyuki Aoki, Yohei Yamada | 2017-05-09 |
| 9372470 | Apparatus for detecting an abnormal circumstance at a connection between the apparatus and an attached detachable unit | Yohei Yamada, Toru Kasamatsu, Mikiyuki Aoki | 2016-06-21 |
| 9335710 | Electric power supply control device which can increase power converting efficiency | Mikiyuki Aoki, Taku Kimura, Yohei Yamada, Morio Kinoshita, Toru Kasamatsu | 2016-05-10 |
| 9256188 | Image forming apparatus | Toru Kasamatsu, Mikiyuki Aoki, Yohei Yamada | 2016-02-09 |
| 9250556 | Image forming apparatus with ion generation mode | Munehiro Natsume, Teruhiko Toyoizumi, Nobuhiro Matsuo | 2016-02-02 |
| 8761630 | Power control method, power control device, and image forming apparatus | Yoshihiko Hikari, Munehiro Natsume, Teruhiko Toyoizumi, Kenichi Hayashi, Nobuhiro Matsuo | 2014-06-24 |