Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5041878 | Method for forming and transferring color images | Yasuhiro Takai, Taisuke Kamimura, Yoichi Shimazawa | 1991-08-20 |
| 4990961 | Electrophotographic apparatus with variable bias voltage | Yukihiko Ueno, Yasutaka Maeda, Tsuyoshi Miyamoto, Kyouichi Takata, Hiromi Washio | 1991-02-05 |
| 4835571 | Corona discharging unit for use in copying machine | Takao Tagawa, Yoshiyuki Nakai | 1989-05-30 |
| 4669861 | Electrophotographic recording apparatus | Takao Tagawa, Yoshiyuki Nakai | 1987-06-02 |