Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10177530 | Optical sensor, optical examination device, and optical property detection method | Toshihiro Ishii, Yoichiro Takahashi, Masayuki Fujiwara, Toshihide Sasaki, Kazuhiko Adachi | 2019-01-08 |
| 9429513 | Sensor apparatus and image forming apparatus incorporating same | Kazuhiko Adachi, Yoshihiro Oba, Toshihiro Ishii, Fumikazu Hoshi, Yoshihiro MISAKA | 2016-08-30 |
| 9374491 | Sensor device, image forming apparatus, and control method for light source | — | 2016-06-21 |
| 6700618 | Automatic focus-detecting apparatus and method thereof | — | 2004-03-02 |