Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665506 | Toner for the development of electrostatic image and process for the preparation thereof | Koichi Kashima, Hajime Yamazaki, Shinji Otani, Kiyokazu Takasou, Hiroshi Hamada | 1997-09-09 |