Inventor
YOKOCHI YOSHINARI
JP3 patents
Patents
3 patentsUS6527173B1Mar 4, 2003
System of issuing card and system of certifying the card
VICTOR COMPANY OF JAPAN49 citations89
US6252685B1Jun 26, 2001
Optical recording medium and apparatus of judging fake thereof
VICTOR COMPANY OF JAPAN31 citations87
US7239596B2Jul 3, 2007
Optical pickup device and optical recording medium driving apparatus
VICTOR COMPANY OF JAPAN4 citations59