Inventor

MATSUMOTO FUJIO

JP4 patents

Patents

4 patents

US4897752AJan 30, 1990

Disk cartridge

HITACHI MAXELL7 citations71

US4630728ADec 23, 1986

Disc cartridge

HITACHI MAXELL18 citations71

US4709816ADec 1, 1987

Recording disc cartridge

HITACHI MAXELL17 citations70

US4803584AFeb 7, 1989

Disk cartridge with cleaning sheet of non-woven fabric

HITACHI MAXELL16 citations69