Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7912411 | Developing roller and imaging apparatus using the same | Koji Takagi, Takuya Morooka | 2011-03-22 |
| 7907878 | Developing roller and imaging apparatus using the same | Koji Takagi | 2011-03-15 |