KO

Kohji Ohtsuka

Sharp Kabushiki Kaisha: 4 patents #3,475 of 10,731Top 35%
SC Sanken Electric Co.: 1 patents #175 of 315Top 60%
📍 Kawagoe, JP: #349 of 1,278 inventorsTop 30%
Overall (All Time): #1,020,827 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7901103 Backlight unit and liquid crystal display device using the backlight unit Yutaka Inoue, Kazuyoshi Izumi, Takashi Yoshii 2011-03-08
7455425 Backlight unit and liquid crystal display device using the backlight unit Yutaka Inoue, Kazuyoshi Izumi, Takashi Yoshii 2008-11-25
7446829 Backlight unit and liquid crystal display unit using backlight unit Yutaka Inoue, Kazuya Idei, Masaki Shimizu, Takashi Yoshii 2008-11-04
7280665 Image display device with built-in loudspeakers Ichiro Tamura 2007-10-09
6979844 Light-emitting semiconductor device and method of fabrication Tetsuji Moku, Masataka Yanagihara, Masaaki Kikuchi 2005-12-27