Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8622785 | Method of making antireflective roughened surface and lens barrel with roughened surface made by the method | Koichiro Hirabayashi, Tetsuya Uno, Takayuki Kawamura | 2014-01-07 |
| 7880794 | Imaging device including a plurality of lens elements and a imaging sensor | Michihiro Yamagata, Hiroaki Okayama, Yasuhiro Tanaka, Kenichi Hayashi, Yoshimasa Fushimi +2 more | 2011-02-01 |
| 7787184 | Member having antireflection structure | Motonobu Yoshikawa, Keiki Yoshitsugu, Hiroaki Okayama, Yoshiharu Yamamoto | 2010-08-31 |
| 7532416 | Imaging lens, imaging unit and optical device | Tomoko Iiyama, Kyoichi Miyazaki | 2009-05-12 |
| 7492533 | Imaging lens, imaging unit, and optical device | Kyoichi Miyazaki, Tomoko Iiyama | 2009-02-17 |
| 7236304 | Imaging Device | Hiroaki Okayama, Michihiro Yamagata, Yasuhiro Tanaka, Kenichi Hayashi, Yoshimasa Fushimi +2 more | 2007-06-26 |
| 7046350 | Device for calculating diffraction efficiencies of a diffraction lens, lens with grating element, and optical system for reading | Michihiro Yamagata, Yasuhiro Tanaka, Tomohiko Sasano, Shusuke Ono | 2006-05-16 |
| 6710933 | Zoom lens and video camera comprising the same | Shuusuke Ono | 2004-03-23 |
| 6519094 | Zoom lens and video camera comprising the same | Shuusuke Ono | 2003-02-11 |
| 6349000 | Device for calculating diffraction efficiencies of a diffraction lens, lens with grating element, and optical system for reading | Michihiro Yamagata, Yasuhiro Tanaka, Tomohiko Sasano, Shusuke Ono | 2002-02-19 |
| 6118420 | Display device using transparent type LCD | Yoshiharu Yamamoto, Motonobu Yoshikawa | 2000-09-12 |
| 6055105 | Optical system with grating element and imaging device using the same | Shusuke Ono | 2000-04-25 |
| 5814806 | Code sheet representing multiple code information and method for producing the same | Yasuhiro Tanaka, Hiroaki Okayama, Shusuke Ono, Michihiro Yamagata, Katsu Yamada +2 more | 1998-09-29 |
| 5801869 | Optical scanner, image forming apparatus and image reading apparatus | Motonobu Yoshikawa, Yoshiharu Yamamoto | 1998-09-01 |
| 5751464 | Optical scanner, image forming apparatus and image reading apparatus | Motonobu Yoshikawa, Yoshiharu Yamamoto | 1998-05-12 |
| 5745277 | Scanner optics and image formation apparatus using the same | Motonobu Yoshikawa, Yoshiharu Yamamoto, Hironori Nakashima, Akinori Yusa | 1998-04-28 |
| 5657147 | Optical scanner | Motonobu Yoshikawa, Yoshiharu Yamamoto, Hironori Nakashima, Akinori Yusa, Ken Morishima | 1997-08-12 |