Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458499 | Toner having hydrocarbon wax with specific ester value and hydroxyl value | Tsutomu Onuma, Hirohide Tanikawa, Nobuyuki Okubo, Katsuhisa Yamazaki, Kaori Hiratsuka | 2002-10-01 |
| 6426169 | Toner containing azo iron compound | Tsutomu Onuma, Hirohide Tanikawa, Nobuyuki Okubo, Yoshihiro Ogawa, Katsuhisa Yamazaki +1 more | 2002-07-30 |