Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6783909 | Electrostatic image developing toner and image forming method | Tsuneaki Kawanishi, Ryuuichi Shimizu, Shigenori Yaguchi, Tadahiro Kaneko, Nobuyoshi Hoshi | 2004-08-31 |
| 6696210 | Electrostatic charge developing toner and image forming method using the same | Shigenori Yaguchi, Ryuuichi Shimizu, Tsuneaki Kawanishi, Nobuyoshi Hoshi | 2004-02-24 |