Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458499 | Toner having hydrocarbon wax with specific ester value and hydroxyl value | Tsutomu Onuma, Hirohide Tanikawa, Tsuneo Nakanishi, Katsuhisa Yamazaki, Kaori Hiratsuka | 2002-10-01 |
| 6426169 | Toner containing azo iron compound | Tsutomu Onuma, Hirohide Tanikawa, Yoshihiro Ogawa, Tsuneo Nakanishi, Katsuhisa Yamazaki +1 more | 2002-07-30 |
| 6365314 | Toner for developing electrostatic image, image forming method and process cartridge | Koichi Tomiyama, Takaaki Kohtaki, Manabu Ohno, Makoto Unno, Yushi Mikuriya +2 more | 2002-04-02 |