Inventor

HARIGAE SHUNJI

JP8 patents

Patents

8 patents

US4523304AJun 11, 1985

Optical data recording and reproducing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations92

US4484319ANov 20, 1984

Apparatus for locating a track on disc-like optical information carriers

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD34 citations92

US4426693AJan 17, 1984

Light source intensity control in an optical recording and reproducing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations92

US4420828ADec 13, 1983

Optical recording and/or reproducing device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations82

US4368526AJan 11, 1983

Servo control system for optical system which focuses a converging light beam on a recording disc

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations81

US4272651AJun 9, 1981

Optical system having diode laser light source

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations81

US4385303AMay 24, 1983

Optical recording and reproducing disc

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations73

US4328506AMay 4, 1982

Optical recording device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations73