Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8401438 | Conveyance member, developer cartridge, and image-forming apparatus | Hideo Ichikawa, Ryoji Sugimoto, Takashi Sakamoto | 2013-03-19 |
| 8260177 | Conveyance member, developer cartridge, and image-forming apparatus | Tomohiro Takeda, Ryoji Sugimoto, Hisashi Fukasawa | 2012-09-04 |
| 7925189 | Rotator for powder conveyance and toner cartridge | — | 2011-04-12 |