Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D413621 | Toner cartridge | Takeshi Konuma | 1999-09-07 |
| 5845182 | Toner cartridge for an image forming apparatus having stirring rod with bearing | Kazuo Johroku, Yoshifumi Okauchi | 1998-12-01 |
| D397141 | Toner supplying cartridge for an image forming apparatus | Takeshi Konuma | 1998-08-18 |