Inventor

HIROYASU MAMORU

JP4 patents

Patents

4 patents

US4665430AMay 12, 1987

Monitoring apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD218 citations95

US4056834ANov 1, 1977

Magnetic video recorder and cassette providing tape loading

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations70

US4011588AMar 8, 1977

Rotary head type magnetic tape video recording-reproducing device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations70

US3947892AMar 30, 1976

Helical scan type tape cassette having tape threading means

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations61