YK

Yu Kitahara

FU Fujinon: 21 patents #5 of 339Top 2%
FU Fujifilm: 5 patents #1,507 of 4,519Top 35%
FC Fuji Photo Optical Co.: 1 patents #305 of 509Top 60%
Overall (All Time): #146,450 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
9952413 Imaging lens and imaging apparatus Takeshi Kamiya 2018-04-24
9753256 Imaging lens and imaging apparatus Taro Asami 2017-09-05
9465201 Imaging lens and imaging apparatus 2016-10-11
8508862 Image pickup lens and image pickup apparatus 2013-08-13
8345356 Objective lens, optical pickup device, and optical recording/reproducing apparatus Toshiaki Katsuma, Masao Mori, Tetsuya Ori 2013-01-01
8223245 Imaging lens and image pickup apparatus 2012-07-17
8064319 Objective lens, optical pickup device having the same, and recording and/or reproducing apparatus for optical recording medium, equipped with the optical pickup device Toshiaki Katsuma, Masao Mori, Tetsuya Ori 2011-11-22
8040618 Imaging lens and imaging apparatus using imaging lens 2011-10-18
8009544 Objective lens, optical pickup device having the same, and recording and/or reproducing apparatus for optical recording medium, equipped with the optical pickup device Toshiaki Katsuma, Masao Mori, Tetsuya Ori 2011-08-30
7995290 Objective lens, optical pickup device, and optical recording/reproducing apparatus Toshiaki Katsuma, Masao Mori, Tetsuya Ori 2011-08-09
7911712 Imaging lens and imaging apparatus Yoko Yamamoto, Taro Asami 2011-03-22
7903349 Imaging lens and imaging apparatus using imaging lens 2011-03-08
7680014 Objective optical system and optical pickup device using it Tetsuya Ori, Masao Mori, Toshiaki Katsuma 2010-03-16
7663814 Imaging lens system and imaging apparatus 2010-02-16
7656594 Color image readout lens and color image readout apparatus Masao Mori, Ryoko Otomo 2010-02-02
7613098 Objective optical system for optical recording media and optical pickup device using it Toshiaki Katsuma, Masao Mori, Tetsuya Ori 2009-11-03
7589914 Molded lens Toshiaki Katsuma, Masao Mori, Tetsuya Ori 2009-09-15
7502299 Objective optical system and optical pickup device using it Tetsuya Ori, Toshiaki Katsuma, Masao Mori 2009-03-10
7483221 Image reading lens, image optical system and image reader 2009-01-27
7457223 Objective lens for optical recording media and optical pickup device using it Toshiaki Katsuma, Tetsuya Ori, Masao Mori 2008-11-25
7443779 Objective optical system for optical recording media and optical pickup device using it Tetsuya Ori, Toshiaki Katsuma, Masao Mori, Hiromitsu Yamakawa 2008-10-28
7417806 Lens with reference mounting surface Toshiaki Katsuma, Masao Mori, Makoto Oomura, Yoko Yamamoto 2008-08-26
7298687 Optical recording media objective lens and optical pickup device using it Toshiaki Katsuma, Tetsuya Ori 2007-11-20
7286463 Objective lens and optical pickup device using it Toshiaki Katsuma, Masao Mori, Tetsuya Ori 2007-10-23
7266070 Objective lens for different optical recording media and an optical pickup device utilizing it Tetsuya Ori, Toshiaki Katsuma 2007-09-04