Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700617 | Toner for developing electrostatic images and charge-controlling agent | Tsuyoshi Takiguchi, Kenji Okado, Ryoichi Fujita, Makoto Kanbayashi, Wakashi Iida +1 more | 1997-12-23 |
| 5665513 | Toner for developing electrostatic charged image | Tetsuya Ida, Tsuyoshi Takiguchi | 1997-09-09 |