Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700617 | Toner for developing electrostatic images and charge-controlling agent | Kenji Okado, Masaaki Taya, Ryoichi Fujita, Makoto Kanbayashi, Wakashi Iida +1 more | 1997-12-23 |
| 5670288 | Carrier for electrophotography, two-component type developer, and image forming method | Kenji Okado, Toshiyuki Ugai, Ryoichi Fujita, Makoto Kanbayashi, Yasuhiro Ichikawa +1 more | 1997-09-23 |
| 5665513 | Toner for developing electrostatic charged image | Tetsuya Ida, Masaaki Taya | 1997-09-09 |
| 5637432 | Toner for developing electrostatic image comprising titanium oxide particles | Kenji Okado, Toshiyuki Ugai, Ryoichi Fujita, Yasuhiro Ichikawa | 1997-06-10 |
| 5635326 | Electrostatic image-developing toner, fine powdery titanium oxide, and hydrophobic fine powdery titanium oxide | Makoto Kanbayashi, Wakashi Iida | 1997-06-03 |
| 5604071 | Toner for developing electrostatic image | Kenji Okado, Ryoichi Fujita | 1997-02-18 |