KY

Katsuya Yagi

KO Konica: 7 patents #359 of 1,958Top 20%
KO Konica Minolta Opto: 5 patents #76 of 418Top 20%
KM Konica Minolta: 2 patents #1,382 of 2,718Top 55%
CI Corning Incorporated: 1 patents #2,300 of 3,867Top 60%
Philips: 1 patents #3,761 of 7,731Top 50%
Overall (All Time): #321,957 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9591241 Compound eye optical system and imaging device using the same Kenji Konno, Motohiro Asano, Jun Takayama, Makoto Jin, Shoji Kogo +1 more 2017-03-07
8199616 Assembly method of optical pickup and optical pickup apparatus Hideyuki Fujii, Tatsuji Kurogama, Katsumi Fujiwara 2012-06-12
7929385 Optical pickup apparatus Katsumi Fujiwara, Tatsuji Kurogama, Hideyuki Fujii 2011-04-19
7843777 Assembly method of optical pickup and optical pickup apparatus Hideyuki Fujii, Tatsuji Kurogama, Katsumi Fujiwara 2010-11-30
7586827 Optical pickup apparatus Takuji Hatano, Yuichi Atarashi, Yuichiro Ori 2009-09-08
7511880 Semiconductor light source module Nobuyoshi Mori, Yuichi Atarashi, Fumio Nagai, David August Sniezek Loeber, Jacques Gollier +1 more 2009-03-31
7221492 Scanning device including an objective system with a lens protection device Nobuyoshi Mori, Bernardus Hendrikus Wilhelmus Hendriks, Johannes Joseph Hubertina Barbara Schleipen, Marco Van As 2007-05-22
7193954 Optical pickup device and objective lens for the optical pickup device Yuichi Atarashi, Tohru Kimura, Kiyono Ikenaka 2007-03-20
5920532 Information pick-up apparatus and optical disk apparatus Hiroyuki Yamazaki, Masaya Kobayashi 1999-07-06
5883747 Recording and/or reproducing optical system and objective lens for optical information recording medium Hiroyuki Yamazaki 1999-03-16
5808999 Optical pickup apparatus and objective lens for optical pickup apparatus 1998-09-15
5757758 Optical pickup apparatus objective lens and converging optical system for optical pickup and optical disk apparatus Hiroyuki Yamazaki, Masaya Kobayashi 1998-05-26
5754513 Information pick-up apparatus and optical disk apparatus Hiroyuki Yamazaki, Masaya Kobayashi 1998-05-19
5422866 Magneto-optical head with birefringent polarizer Susumu Yamaguchi, Toshihiko Kiriki 1995-06-06
5068845 Optical pickup device for reading information on an optical disk 1991-11-26