Inventor
TAKADA KATSUO
JP4 patents
Patents
4 patentsUSD310081SAug 21, 1990
Headphone
SONY CORP61 citations93
US4445150AApr 24, 1984
Recording in a single track visual signals associated with audio signals recorded in opposed directions in plural tracks
SONY CORP11 citations68
US4041401AAug 9, 1977
Channel indicating apparatus
SONY CORP3 citations59
USD306834SMar 27, 1990
Digital position readout system
SONY CORP0 citations50