Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6678498 | Image heating device and image forming apparatus using the same | Hiroshi Terada, Masaru Imai, Akinori Toyoda, Kenji Asakura, Syuichi Watanabe | 2004-01-13 |
| 6625417 | Image heating device and image forming apparatus using the same | Hiroshi Terada, Masaru Imai, Akinori Toyoda, Kenji Asakura, Syuichi Watanabe | 2003-09-23 |
| 6593051 | Toner and electrophotographic method | Noriaki Hirota, Yasuhito Yuasa, Masahisa Maeda | 2003-07-15 |
| 6567625 | Image forming apparatus and process cartridge with delayed rotation of photosensitive member | Kazumasa Hayashi | 2003-05-20 |
| 6047157 | Image formation apparatus, oil application roller unit and fixing device therefor | Keizou Takeuchi, Akinori Toyoda | 2000-04-04 |
| 5702858 | Toner | Yasuhito Yuasa, Noriaki Hirota, Akinori Toyoda | 1997-12-30 |
| 5561019 | Magnetic toner | Yasuhito Yuasa, Noriaki Hirota, Akinori Toyoda | 1996-10-01 |