Inventor

TAKAHASHI YOUNOSUKE

JP4 patents

Patents

4 patents

US4883741ANov 28, 1989

Information recording medium

FUJI PHOTO FILM CO LTD24 citations86

US4731620AMar 15, 1988

Information recording medium

FUJI PHOTO FILM CO LTD23 citations80

US4788097ANov 29, 1988

Information recording medium

FUJI PHOTO FILM CO LTD20 citations79

US5060222AOct 22, 1991

Method of overwriting information on recording medium

FUJI PHOTO FILM CO LTD5 citations58