Inventor
KAWASHIMA YOSHINARI
JP4 patents
Patents
4 patentsUS6822705B2Nov 23, 2004
Reflective display, light guide plate and method of manufacturing light guide plate
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US7465084B2Dec 16, 2008
Light guiding plate and backlight apparatus
SONY CORP17 citations77
US6721097B2Apr 13, 2004
Optical element, its manufacturing method and optical element manufacturing metal die
SONY CORP0 citations47
US6552863B1Apr 22, 2003
Optical element, its manufacturing method and optical element manufacture metal die
SONY CORP0 citations47