Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5521681 | Image forming apparatus | Shigeo Koyama, Wataru Yoshida, Kazuhisa Edahiro, Hidekazu Shouno | 1996-05-28 |
| 5412460 | Image transfer unit for image forming apparatus | Noritaka Okazaki, Ryuji Wataki, Michio Uchida, Yuki Ito | 1995-05-02 |
| 5260760 | Image forming apparatus with auxiliary image forming mechanism | Osamu Takemura | 1993-11-09 |
| 5233398 | Cleaning unit for removing residual toner on photoreceptor drum for use in image forming apparatus | Wataru Yoshida, Michio Uchida | 1993-08-03 |
| 5034773 | Developing unit with a member for agitating the toners in a developer | Wataru Yoshida | 1991-07-23 |
| 4701389 | Photoconductive toner | Teruyo Morimoto, Yumiko Sano, Yuji Tomii, Tatsuo Maeda | 1987-10-20 |