Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6977129 | Charge control agent, toner using same developer containing the toner and developing device containing the developer | Masanori Suzuki, Yohichiroh Watanabe, Keiko Shiraishi, Toyoshi Sawada, Tatsuhiko Osaki +2 more | 2005-12-20 |
| 6946229 | Toner for forming color image, image forming apparatus, and toner container | Masanori Suzuki, Hiroshi Yamashita, Yohichiroh Watanabe, Takeshi Takada, Tsunemi Sugiyama +3 more | 2005-09-20 |
| 6939653 | Image-forming color toner, developing agent, image-forming apparatus, toner container, image-forming process cartridge and image-forming process | Masanori Suzuki, Yohichiroh Watanabe, Keiko Shiraishi, Toyoshi Sawada, Masashi Nagayama | 2005-09-06 |
| 6858365 | Toner for developing electrostatic latent image, developing method and developing apparatus | Toyoshi Sawada, Masanori Suzuki, Kohki Katoh, Yohichiroh Watanabe, Keiko Shiraishi | 2005-02-22 |