Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9921541 | Developing device, and image forming apparatus and process cartridge incorporating same | Yasunobu Shimizu, Akira Azami, Masaaki Yamada, Yoshiko Ogawa, Toshio Koike +4 more | 2018-03-20 |
| 9581936 | Developing device and image forming apparatus including a contact member which is elastically deformed | Teppei Kikuchi, Toshio Koike, Keinosuke Kondoh, Yutaka Takahashi, Hideki Kosugi | 2017-02-28 |
| 9547257 | Developer pump with restricted detection time and image forming device | Junichi Matsumoto, Kiyonori Tsuda, Nobuo Takami, Yutaka Takahashi, Keinosuke Kondoh +2 more | 2017-01-17 |
| 9285714 | Developing device and image forming apparatus and process cartridge incorporating same | Keinosuke Kondoh, Kiyonori Tsuda, Yutaka Takahashi, Toshio Koike, Emiko Shiraishi | 2016-03-15 |
| 9229361 | Developer conveyance device, image forming apparatus, and developer conveyance method | Junichi Matsumoto, Kiyonori Tsuda, Nobuo Takami, Yutaka Takahashi, Keinosuke Kondoh +1 more | 2016-01-05 |
| 9182704 | Developer conveyance device and image forming apparatus having a pump to move the developer in a relationship with the developer contained in a reservoir | Junichi Matsumoto, Kiyonori Tsuda, Nobuo Takami, Yutaka Takahashi | 2015-11-10 |
| 9176425 | Developer replenishing device to transport developer from developer container, image forming apparatus including same, and conveyance device to transport powder or fluid from container | Nobuo Takami, Junichi Matsumoto, Kiyonori Tsuda, Yutaka Takahashi | 2015-11-03 |
| 9176431 | Developing device and image forming apparatus and process cartridge incorporating same | Toshio Koike, Kiyonori Tsuda, Yutaka Takahashi, Yuichi Aizawa, Keinosuke Kondoh | 2015-11-03 |