Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8067143 | Functional particle and manufacturing method thereof | Keiichi Kikawa, Katsuru Matsumoto | 2011-11-29 |
| 7974545 | Developing device and image forming apparatus that utilize a variable AC bias voltage | Toshimasa Hamada | 2011-07-05 |
| 7910279 | Method of manufacturing aggregate particles and toner | Katsuru Matsumoto, Keiichi Kikawa | 2011-03-22 |
| 7904009 | Development device and image forming apparatus | Toyoka Aimoto, Tomohiro Maeda | 2011-03-08 |
| 7887986 | Method of manufacturing toner particles, toner particles, two-component developer, developing device and image forming apparatus | Katsuru Matsumoto, Keiichi Kikawa | 2011-02-15 |