TK

Toshiaki Katsuma

FU Fujinon: 19 patents #7 of 339Top 3%
FC Fuji Photo Optical Co.: 15 patents #24 of 509Top 5%
FU Fujifilm: 6 patents #1,361 of 4,519Top 35%
Overall (All Time): #79,944 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDate
9176304 Imaging lens Taro Asami, Toru Ito, Masato Kondo, Ryoko Otomo 2015-11-03
9170404 Imaging lens Taro Asami, Toru Ito, Masato Kondo, Ryoko Otomo 2015-10-27
9036269 Imaging lens and imaging apparatus Hiromitsu Yamakawa, Toru Ito 2015-05-19
9030764 Imaging lens and imaging apparatus Taro Asami, Toru Ito, Masato Kondo, Ryoko Otomo 2015-05-12
9019634 Imaging lens and imaging apparatus Taro Asami, Toru Ito, Masato Kondo, Ryoko Otomo 2015-04-28
8902516 Imaging lens and imaging apparatus Taro Asami, Toru Ito 2014-12-02
8345356 Objective lens, optical pickup device, and optical recording/reproducing apparatus Masao Mori, Tetsuya Ori, Yu Kitahara 2013-01-01
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 Masao Mori, Tetsuya Ori, Yu Kitahara 2011-11-22
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 Masao Mori, Tetsuya Ori, Yu Kitahara 2011-08-30
7995290 Objective lens, optical pickup device, and optical recording/reproducing apparatus Masao Mori, Tetsuya Ori, Yu Kitahara 2011-08-09
7755852 Optical element molding method and optical element Hajime Yamanaka 2010-07-13
7680014 Objective optical system and optical pickup device using it Tetsuya Ori, Yu Kitahara, Masao Mori 2010-03-16
7613098 Objective optical system for optical recording media and optical pickup device using it Yu Kitahara, Masao Mori, Tetsuya Ori 2009-11-03
7589914 Molded lens Masao Mori, Yu Kitahara, Tetsuya Ori 2009-09-15
7580601 Anamorphic aspherical beam focusing lens Koichi Noguchi 2009-08-25
7502299 Objective optical system and optical pickup device using it Tetsuya Ori, Masao Mori, Yu Kitahara 2009-03-10
7457223 Objective lens for optical recording media and optical pickup device using it Yu Kitahara, Tetsuya Ori, Masao Mori 2008-11-25
7443779 Objective optical system for optical recording media and optical pickup device using it Yu Kitahara, Tetsuya Ori, Masao Mori, Hiromitsu Yamakawa 2008-10-28
7417806 Lens with reference mounting surface Masao Mori, Yu Kitahara, Makoto Oomura, Yoko Yamamoto 2008-08-26
7298687 Optical recording media objective lens and optical pickup device using it Yu Kitahara, Tetsuya Ori 2007-11-20
7286463 Objective lens and optical pickup device using it Yu Kitahara, Masao Mori, Tetsuya Ori 2007-10-23
7266070 Objective lens for different optical recording media and an optical pickup device utilizing it Yu Kitahara, Tetsuya Ori 2007-09-04
7220064 Coupling optical system for optical communications Masao Mori, Yu Kitahara, Makoto Oomura, Yoko Yamamoto 2007-05-22
7072272 Diffraction type optical pickup lens and optical pickup apparatus using the same Kaneyoshi Yagi, Masato Kawabata 2006-07-04
6970412 Diffraction type lens which converges two wavelengths of light 2005-11-29