Inventor
YASUKAWA AKIKO
JP4 patents
Patents
4 patentsUS7091658B2Aug 15, 2006
Organic EL display device
HITACHI DISPLAYS LTD26 citations90
US7019456B2Mar 28, 2006
Organic EL display device
HITACHI DISPLAYS LTD9 citations71
US7274140B2Sep 25, 2007
Organic EL display device
HITACHI DISPLAYS LTD4 citations60
US7553208B2Jun 30, 2009
Manufacturing method of organic electroluminescence display device
HITACHI DISPLAYS LTD0 citations49