Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860050 | Developing replenisher material for use in image forming device | Tsuneo Kurotori, Kenzo Ariyama, Shinichi Kuramoto, Yoshihiro Sugiyama, Hajime Takanashi +3 more | 1989-08-22 |
| 4833500 | Developing apparatus | Tuneo Kurotori | 1989-05-23 |
| 4800839 | Developing device for electrophotographic color copier | Kenzo Ariyama, Tsuneo Kunotori, Kenji Kojima, Masato Jinbo, Hiroaki Takenouchi +1 more | 1989-01-31 |
| 4801965 | Color recording apparatus | Tsuneo Kurotori, Toshiharu Hasegawa | 1989-01-31 |