Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8928715 | Light source driver, light source-driving method, image-forming apparatus, light source-driving circuit, and optical scanner | Atsufumi Omori, Masaaki Ishida, Muneaki Iwata | 2015-01-06 |
| 8929759 | Image forming apparatus and density change suppressing method | Muneaki Iwata, Kazuhiro Akatsu, Masaaki Ishida, Atsufumi Omori | 2015-01-06 |
| 8705979 | LD driver with an improved falling edge of driving signal and optical transmitter providing the same | — | 2014-04-22 |
| 8648892 | Image forming apparatus to detect and correct density variations in a developed image | Seizo Suzuki, Masaaki Ishida, Atsufumi Omori, Kazuhiro Akatsu, Muneaki Iwata | 2014-02-11 |