Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11215945 | Optical sensor and image forming apparatus | Toshihiro Ishii, Yoshihiro Oba, Fumikazu Hoshi | 2022-01-04 |
| 10606204 | Optical sensor and image forming apparatus | Toshihiro Ishii, Yoshihiro Oba, Fumikazu Hoshi | 2020-03-31 |
| 10039452 | Optical sensor, optical testing device, and optical characteristic detection method | Toshihiro Ishii, Yoichiro Takahashi, Takeaki Shimokawa, Okito Yamashita, Masaaki Sato | 2018-08-07 |
| 9831633 | Surface-emitting laser module, optical scanner device, and image forming apparatus | Toshihiro Ishii, Yoshihiro Ohba, Kazuhiro Harasaka, Shunichi Sato, Kazuhiko Adachi | 2017-11-28 |
| 9696674 | Optical sensor and image forming apparatus | Toshihiro Ishii, Yoshihiro Oba, Fumikazu Hoshi | 2017-07-04 |
| 9678006 | Optical sensor and image forming apparatus | Yoshihiro Ohba, Toshihiro Ishii, Fumikazu Hoshi | 2017-06-13 |
| 9627845 | Method for manufacturing an optical unit | Masaki Hiroi | 2017-04-18 |
| 9570887 | Vertical cavity surface emitting laser device, vertical cavity surface emitting laser array, optical scanning apparatus, image forming apparatus, optical transmission module and optical transmission system | Naoto Jikutani, Shunichi Sato, Hiroshi Motomura | 2017-02-14 |
| 9513218 | Optical sensor and image forming device incorporating the same | Yoshihiro Ohba, Toshihiro Ishii, Fumikazu Hoshi | 2016-12-06 |
| 9513216 | Optical sensor and image forming apparatus | Yoshihiro Ohba, Toshihiro Ishii, Fumikazu Hoshi | 2016-12-06 |
| 9276377 | Surface-emitting laser module, optical scanner device, and image forming apparatus | Toshihiro Ishii, Yoshihiro Ohba, Kazuhiro Harasaka, Shunichi Sato, Kazuhiko Adachi | 2016-03-01 |
| 9267886 | Optical sensor and image forming apparatus | Yoshihiro Ohba, Toshihiro Ishii, Fumikazu Hoshi | 2016-02-23 |
| 9188530 | Sensor and image-forming apparatus | Fumikazu Hoshi, Toshihiro Ishii, Yoshihiro Ohba | 2015-11-17 |
| 9170190 | Sensor device and image forming apparatus | Kazuma Goto, Yoshihiro Oba, Fumikazu Hoshi, Toshihiro Ishii | 2015-10-27 |
| 9157853 | Moisture sensor, moisture detector, and image forming apparatus | Toshihiro Ishii, Yoshihiro Oba, Fumikazu Hoshi | 2015-10-13 |
| 9103717 | Optical sensor and image forming apparatus configured to detect inside diffusely-reflected light | Yoshihiro Oba, Toshihiro Ishii, Fumikazu Hoshi | 2015-08-11 |
| 9063004 | Package member for electronic component and optical device including the package member | Toshishige Fujii | 2015-06-23 |
| 8976216 | Light source unit, optical scanning device, and image forming apparatus | Yoshihiro Ohba, Toshihiro Ishii | 2015-03-10 |
| 8971749 | Optical sensor and image forming apparatus | Yoshihiro Oba, Toshihiro Ishii, Fumikazu Hoshi | 2015-03-03 |
| 8942583 | Optical sensor and image forming apparatus | Fumikazu Hoshi, Toshihiro Ishii, Yoshihiro Oba | 2015-01-27 |
| 8916418 | Surface-emitting laser module, optical scanner device, and image forming apparatus | Toshihiro Ishii, Yoshihiro Ohba, Kazuhiro Harasaka, Shunichi Sato, Kazuhiko Adachi | 2014-12-23 |
| 8891571 | Vertical cavity surface emitting laser device, vertical cavity surface emitting laser array, optical scanning apparatus, image forming apparatus, optical transmission module and optical transmission system | Naoto Jikutani, Shunichi Sato, Hiroshi Motomura | 2014-11-18 |
| 8803936 | Optical device capable of minimizing output variation due to feedback light, optical scanning apparatus, and image forming apparatus | Kazuhiko Adachi, Shunichi Sato, Toshihiro Ishii | 2014-08-12 |
| 8750732 | Moisture sensor, moisture detector, and image forming apparatus | Toshihiro Ishii, Yoshihiro Oba, Fumikazu Hoshi | 2014-06-10 |
| 8705585 | Surface-emitting laser array, optical scanning device, and image forming device | Shunichi Sato, Akihiro Itoh, Hiroyoshi Shouji | 2014-04-22 |