Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11215945 | Optical sensor and image forming apparatus | Toshihiro Ishii, Yoshihiro Oba, Satoru Sugawara | 2022-01-04 |
| 10606204 | Optical sensor and image forming apparatus | Toshihiro Ishii, Yoshihiro Oba, Satoru Sugawara | 2020-03-31 |
| 10041927 | Optical sensor, and devices incorporating the same | Kazuma Goto, Yoshihiro Oba | 2018-08-07 |
| 10031457 | Optical sensor, recording medium discrimination device, and image forming apparatus | Yoshihiro Oba, Kazuma Goto, Yoshihiro MISAKA | 2018-07-24 |
| 9696674 | Optical sensor and image forming apparatus | Toshihiro Ishii, Yoshihiro Oba, Satoru Sugawara | 2017-07-04 |
| 9678006 | Optical sensor and image forming apparatus | Yoshihiro Ohba, Satoru Sugawara, Toshihiro Ishii | 2017-06-13 |
| 9513218 | Optical sensor and image forming device incorporating the same | Yoshihiro Ohba, Satoru Sugawara, Toshihiro Ishii | 2016-12-06 |
| 9513216 | Optical sensor and image forming apparatus | Yoshihiro Ohba, Satoru Sugawara, Toshihiro Ishii | 2016-12-06 |
| 9501018 | Optical sensor, and devices incorporating the same | Kazuma Goto, Yoshihiro Oba | 2016-11-22 |
| 9429513 | Sensor apparatus and image forming apparatus incorporating same | Kazuhiko Adachi, Yoshihiro Oba, Toshihiro Ishii, Sunao Chubachi, Yoshihiro MISAKA | 2016-08-30 |
| 9274479 | Optical sensor and image forming apparatus configured to detect light reflected from sheet | Yoshihiro Ohba | 2016-03-01 |
| 9267886 | Optical sensor and image forming apparatus | Yoshihiro Ohba, Satoru Sugawara, Toshihiro Ishii | 2016-02-23 |
| 9188530 | Sensor and image-forming apparatus | Satoru Sugawara, Toshihiro Ishii, Yoshihiro Ohba | 2015-11-17 |
| 9170190 | Sensor device and image forming apparatus | Kazuma Goto, Yoshihiro Oba, Toshihiro Ishii, Satoru Sugawara | 2015-10-27 |
| 9157853 | Moisture sensor, moisture detector, and image forming apparatus | Toshihiro Ishii, Yoshihiro Oba, Satoru Sugawara | 2015-10-13 |
| 9103717 | Optical sensor and image forming apparatus configured to detect inside diffusely-reflected light | Yoshihiro Oba, Satoru Sugawara, Toshihiro Ishii | 2015-08-11 |
| 8971749 | Optical sensor and image forming apparatus | Yoshihiro Oba, Satoru Sugawara, Toshihiro Ishii | 2015-03-03 |
| 8942583 | Optical sensor and image forming apparatus | Satoru Sugawara, Toshihiro Ishii, Yoshihiro Oba | 2015-01-27 |
| 8750732 | Moisture sensor, moisture detector, and image forming apparatus | Toshihiro Ishii, Yoshihiro Oba, Satoru Sugawara | 2014-06-10 |
| 8446446 | Optical device, optical scanning apparatus and image forming apparatus | Toshihiro Ishii | 2013-05-21 |
| 7245263 | Antenna | — | 2007-07-17 |
| 7180458 | Antenna and information communication apparatus using the antenna | Takakuni Minewaki | 2007-02-20 |