Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9971276 | Developing member, method of producing developing member, process cartridge, and electrophotographic apparatus | Kazutoshi Ishida, Yuji Sakurai, Ryo Sugiyama, Sosuke Yamaguchi | 2018-05-15 |
| 9921518 | Developing roller, with conductive elastic layer having exposed protrusions, cartridge and apparatus | Yuji Sakurai, Kazutoshi Ishida, Ryo Sugiyama | 2018-03-20 |