Inventor

OHWAKI ISAO

3 patents

Patents

3 patents

US4045621AAug 30, 1977

Recording system for a multichannel record disc

VICTOR COMPANY OF JAPAN1 citations48

US4016373AApr 5, 1977

Multichannel record disc recording system

VICTOR COMPANY OF JAPAN0 citations38

US4033592AJul 5, 1977

Record disc cutting stylus

VICTOR COMPANY OF JAPAN0 citations33