Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694527 | Image forming apparatus which processes input data based upon parameter data representative of a characteristic of image processing data | Haruo Yamamoto | 1997-12-02 |
| 5685964 | Oxygen concentration sensor element | Isao Watanabe, Masahiro Shibata | 1997-11-11 |
| 5684600 | Image processor for smoothing and differentiating periodic areas and character areas using coefficients | Tadashi Miyazaki, Hidechika Kumamoto, Haruo Yamamoto, Shinji Hayashi | 1997-11-04 |
| 5642201 | Electrographic copying machine | Shinji Hayashi, Katsumi Amakawa | 1997-06-24 |