Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10222920 | Touch panel device | Shinichi Miyazaki | 2019-03-05 |
| 9507148 | Display device | Yukio Mizuno | 2016-11-29 |
| 9188778 | Display device | Yukio Mizuno | 2015-11-17 |
| 8797306 | Display device with optical sensors | Atsushi Okada | 2014-08-05 |
| 8416227 | Display device having optical sensors | Akizumi Fujioka, Akinori Kubota, Masaki Uehata | 2013-04-09 |
| 7283775 | Developing device using specific charging unit for charging toner and image forming device adopting the same | Taisuke Kamimura, Kiyoshi Toizumi | 2007-10-16 |
| 7071960 | Image forming apparatus | Kiyoshi Toizumi, Taisuke Kamimura, Tsutomu Yoshimoto, Yasuhiro Takai | 2006-07-04 |
| 7015938 | Charging system | Taisuke Kamimura, Kiyoshi Toizumi | 2006-03-21 |
| 6934496 | Developing device conveying toner using a traveling-wave electric field and image forming apparatus using same | Masamitsu Sakuma, Katsumi Adachi, Taisuke Kamimura, Kiyoshi Toizumi | 2005-08-23 |
| 6901232 | Developing apparatus and image forming apparatus using progressive wave electric field transport | Masamitsu Sakuma, Katsumi Adachi, Taisuke Kamimura, Kiyoshi Toizumi | 2005-05-31 |
| 6865350 | Charging method and developing device adopting the same | Taisuke Kamimura, Kiyoshi Toizumi | 2005-03-08 |
| 6829446 | Development device, charging method used in the development device and image forming device having the development device | Kiyoshi Toizumi, Taisuke Kamimura | 2004-12-07 |
| 6697592 | Developing device, and image forming device having the same | Katsumi Adachi, Masamitsu Sakuma, Taisuke Kamimura, Kiyoshi Toizumi | 2004-02-24 |