Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6569588 | Electrophotographic toner, production method thereof and electrophotographic image forming system | Akira Shimada, Toru Miyasaka, Masahiko Saito | 2003-05-27 |
| 5708939 | Developing apparatus and process for an electrophotographic process | Toshiya Satoh, Toru Miyasaka | 1998-01-13 |
| 5504567 | Controller for roller fixing unit for color electrophotographic apparatus | Toshiya Satoh, Katsuyoshi Onose, Keiziro Yagi, Tomoji Kitagishi | 1996-04-02 |
| 5481349 | Electrophotographic image fixing device avoiding offset in the image by means of differential roller speed | Toshiya Satoh, Katsuyoshi Onose, Keijiro Yagi, Tomoji Kitagishi | 1996-01-02 |