Inventor
OOTAKA YOSHINORI
JP3 patents
Patents
3 patentsUS6947130B2Sep 20, 2005
Method of evaluating whiteness, method of evaluating comparative whiteness, light source and luminaire
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations72
US7098586B2Aug 29, 2006
Method of evaluating whiteness, method of evaluating comparative whiteness, light source and luminaire
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations61
US7129629B2Oct 31, 2006
Method of evaluating whiteness, method of evaluating comparative whiteness, light source and luminaire
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations50