Inventor

OHGO TAKASHI

JP3 patents

Patents

3 patents

US6269072B1Jul 31, 2001

Optical disc

VICTOR COMPANY OF JAPAN45 citations86

US7567499B2Jul 28, 2009

Optical disc and method of producing the same

VICTOR COMPANY OF JAPAN7 citations68

US7619962B2Nov 17, 2009

Optical disc and method of producing the same

VICTOR COMPANY OF JAPAN0 citations36