Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7949288 | Image forming agent storage device and image forming apparatus | Shigeki Nishimura, Kazuaki Sugawara | 2011-05-24 |
| D636017 | Toner cartridge | Kazuaki Sugawara | 2011-04-12 |
| D630678 | Toner cartridge | Kazuaki Sugawara | 2011-01-11 |
| D630243 | Toner cartridge | Kazuaki Sugawara | 2011-01-04 |
| D630244 | Toner cartridge | Kazuaki Sugawara | 2011-01-04 |