Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10409032 | Converter lens device and photographing system including the same | — | 2019-09-10 |
| 10107992 | Telephoto lens and image pickup apparatus using the same | Akiko Naito, Kento Hara | 2018-10-23 |
| 9904030 | Teleconverter, and imaging system comprising the same | — | 2018-02-27 |
| 9885852 | Converter lens device and photographing system including the same | — | 2018-02-06 |
| 9563106 | Teleconverter mounted on a master lens apparatus to obtain a lens system having a focal length longer than that of the master lens apparatus, and imaging system comprising the same | — | 2017-02-07 |
| 9507131 | Teleconverter and image pickup system using the same | Yasuharu Yamada | 2016-11-29 |
| 9507133 | Zoom lens | Hirohiko Kimata | 2016-11-29 |
| 9459433 | Zoom lens and zoom lens apparatus using the same | — | 2016-10-04 |
| 9261682 | Zoom lens | Hirohiko Kimata | 2016-02-16 |
| 9075291 | Teleconverter, and imaging system comprising the same | — | 2015-07-07 |
| 8988783 | Zoom lens and image pickup apparatus equipped with same | Yasuharu Yamada, Akiyoshi Tochigi, Keitaro Yokoyama | 2015-03-24 |
| 8767310 | Zoom lens, and imaging apparatus incorporating the same | Yasuharu Yamada, Toshio Takahashi, Toyoki Kon | 2014-07-01 |
| 8711489 | Zoom lens | Hirohiko Kimata, Yasuharu Yamada, Kazuteru Kawamura | 2014-04-29 |
| 8654448 | Inner focus lens system and image pickup apparatus using the same | Masaru Morooka, Akiyoshi Tochigi, Yasuharu Yamada | 2014-02-18 |
| 8582212 | Zoom lens, and imaging apparatus incorporating the same | Yasuharu Yamada, Yasutaka Kashiki, Toshio Takahashi, Toyoki Kon | 2013-11-12 |
| 7215481 | Taking lens, and imaging device incorporating the same | — | 2007-05-08 |
| 6122080 | Finder equipped with an indicator | — | 2000-09-19 |
| 6097547 | Front converter lens system using a diffractive surface | Yuji Kamo | 2000-08-01 |
| 6069743 | Zoom lens system | Tetsuo Nagata | 2000-05-30 |
| 6034819 | Diffractive optical element both surfaces of which comprise diffractive surfaces | — | 2000-03-07 |
| 5982544 | Zoom lens system having a diffractive surface | — | 1999-11-09 |
| 5949577 | Lens system including a diffractive optical element | — | 1999-09-07 |
| 5877850 | Distance measuring apparatus | — | 1999-03-02 |
| 5684638 | Two-unit zoom lens system having high zoom ratio | Yuji Kamo | 1997-11-04 |
| 5666233 | Two-unit zoom lens system having a high zoom ratio | — | 1997-09-09 |