Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7592115 | Carrier for electrostatic latent image developer, production method thereof, electrostatic latent image developer, and image-forming device | Yasushige Nakamura | 2009-09-22 |
| 7439003 | Magnetic black toner for electrophotography having Mn-containing hematite compound and magnetic two-component developer for electrophotography containing the same | Seijirou Ishimaru, Yoshimichi Katagiri, Masahisa Ochiai | 2008-10-21 |
| 7252914 | Toner for electrophotography and developer for electrophotography using the same, process cartridge, apparatus for forming image, and method for forming image | Yasushige Nakamura, Tomoaki Tanaka, Seijiro Ishimaru, Yoshimichi Katagiri | 2007-08-07 |
| 6746808 | Image forming color toner, color image forming method and color image forming apparatus | Yasushige Nakamura, Shinichi Yaoi, Tomoaki Tanaka, Yoshimichi Katagiri, Seijiro Ishimaru +1 more | 2004-06-08 |
| 6604399 | Stamping die for cutting and forming sheet material | Masayuki Sasaki, Keisuke Fujikura | 2003-08-12 |
| 6314263 | Toner carrier and image forming apparatus | Michiaki Ito | 2001-11-06 |
| 5867758 | Developer thickness-controlling blade and production process thereof as well as electrographic imaging device | Hideki Kamaji, Tsuneo Mizuno | 1999-02-02 |
| 5633701 | Conductive brush charging device | — | 1997-05-27 |
| 5489974 | Image formation apparatus, developing device incorporated therein and conductive rubber roller used therein | Hideki Kamaji, Kazumi Kawabata, Kazunori Hirose, Takeshi Tanimoto | 1996-02-06 |