Issued Patents All Time
Showing 1–25 of 123 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12117602 | Wide-angle optical system and image pickup apparatus using the same | Takashi Fujikura, Keisuke Ichikawa | 2024-10-15 |
| 12085707 | Wide-angle optical system and image pickup apparatus using the same | Keisuke Ichikawa, Takashi Fujikura, Yoshihiro Uchida | 2024-09-10 |
| 12066603 | Wide-angle optical system including three lens units of −++ refractive powers, and image pickup apparatus using the same | Keisuke Ichikawa, Takashi Fujikura | 2024-08-20 |
| 10830991 | Single-focus optical system and optical apparatus using the same | Keisuke Ichikawa | 2020-11-10 |
| 10663705 | Single-focus optical system and optical apparatus using the same | Keisuke Ichikawa | 2020-05-26 |
| 10551617 | Image pickup apparatus which corrects chromatic aberration in a wide wavelength range, and capsule endoscope | Takahiro Amanai, Ayami Imamura | 2020-02-04 |
| 10274705 | Single-focus optical system and optical apparatus using the same | Keisuke Ichikawa | 2019-04-30 |
| 10197769 | Single-focus optical system and optical apparatus using the same | Keisuke Ichikawa | 2019-02-05 |
| 10197768 | Single focus optical system and optical apparatus using the same | Keisuke Ichikawa | 2019-02-05 |
| 10191253 | Single focus optical system and optical apparatus using the same | Keisuke Ichikawa | 2019-01-29 |
| 10191258 | Single-focus optical system and optical apparatus using the same | Keisuke Ichikawa | 2019-01-29 |
| 10031322 | Electronic image pickup system | Hirokazu Konishi, Toyoharu Hanzawa, Masahito Watanabe, Atsujiro Ishii, Tetsuhide Takeyama +1 more | 2018-07-24 |
| 9696524 | Electronic image pickup system | Hirokazu Konishi, Toyoharu Hanzawa, Masahito Watanabe, Atsujiro Ishii, Tetsuhide Takeyama +1 more | 2017-07-04 |
| 9602733 | Image forming optical system and electronic image pickup apparatus using the same | Keisuke Ichikawa | 2017-03-21 |
| 9274321 | Electronic image pickup system | Hirokazu Konishi, Toyoharu Hanzawa, Masahito Watanabe, Atsujiro Ishii, Tetsuhide Takeyama +1 more | 2016-03-01 |
| 8941926 | Zoom lens, image pickup apparatus using the same, image transmission apparatus, and image transmission system | Ryu OTA | 2015-01-27 |
| 8885262 | Electronic image pickup system | Hirokazu Konishi, Toyoharu Hanzawa, Masahito Watanabe, Atsujiro Ishii, Tetsuhide Takeyama +1 more | 2014-11-11 |
| 8730587 | Zoom lens and image pickup apparatus using the same | Ryu OTA | 2014-05-20 |
| 8520135 | Image forming optical system and electronic image pickup apparatus equipped with same | Masahito Ohashi, Keisuke Ichikawa | 2013-08-27 |
| 8472124 | Image forming optical system and electronic image pickup apparatus using the same | — | 2013-06-25 |
| 8446511 | Image forming optical system and electronic image pickup apparatus using the same | — | 2013-05-21 |
| 8446678 | Image forming optical system and electronic image pickup apparatus equipped with same | — | 2013-05-21 |
| 8446512 | Image forming optical system and electronic image pickup apparatus equipped with same | Keisuke Ichikawa | 2013-05-21 |
| 8203799 | Lens component, image forming optical system, and electronic image pickup apparatus using the same | Hisashi Goto, Masaki Arakawa, Toyoki Kon | 2012-06-19 |
| 8165463 | Zoom optical system and electronic imaging apparatus using the same | Keisuke Ichikawa | 2012-04-24 |