Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8023863 | Charging apparatus and image forming apparatus | Toshiaki Ino, Masanobu Yamamoto | 2011-09-20 |
| 7761020 | Image forming apparatus utilizing cylindrical toner particles | Kiyoshi Toizumi | 2010-07-20 |
| 7153623 | Image forming method using electrophotograhy, electrophotographic toner, and manufacturing method thereof | Yoshiaki Akazawa | 2006-12-26 |