Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10459403 | End member, photoreceptor drum unit, and process cartridge | Yohei Matsuoka, Yasunori Kawai, Kozo Ishio | 2019-10-29 |
| 10254702 | End member, photosensitive drum unit, and process cartridge | Yohei Matsuoka, Shinichi Iijima | 2019-04-09 |
| 10203647 | Bearing member, end member, photoreceptor drum unit, developing roller unit, process cartridge, and manufacturing method of bearing member | Yohei Matsuoka | 2019-02-12 |