Inventor
NAMIKAWA YOSHITADA
JP7 patents
Patents
7 patentsUS11131799B2Sep 28, 2021
Backlight unit and liquid crystal display device
KEIWA INC0 citations47
US10754083B2Aug 25, 2020
Optical sheet for backlight unit and backlight unit
KEIWA INC0 citations47
US10466405B2Nov 5, 2019
Prism sheet for backlight unit and backlight unit for liquid crystal display device
KEIWA INC0 citations47
US10459151B2Oct 29, 2019
Optical sheet for liquid crystal display device, and backlight unit for liquid crystal display device
KEIWA INC0 citations47
US10386567B2Aug 20, 2019
Optical sheet for liquid crystal display device, backlight unit for liquid crystal display device and production method of optical sheet for liquid crystal display device
KEIWA INC0 citations36
US9823390B2Nov 21, 2017
Optical sheet and edge-lit backlight unit
KEIWA INC0 citations35
US10718892B2Jul 21, 2020
Backlight unit and liquid crystal display device
KEIWA INC0 citations33