Inventor

MIZUKAWA TAKUMI

18 patents

Patents

18 patents

US4467165AAug 21, 1984

Induction heating apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD88 citations96

US4356371AOct 26, 1982

Small load detection by comparison between input and output parameters of an induction heat cooking apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD70 citations96

US4447691AMay 8, 1984

Circuit for detecting a utensil load placed asymmetrically relative to an induction heating coil

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations92

US4446350AMay 1, 1984

Induction heating cooking apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations92

US4145592AMar 20, 1979

Induction heating apparatus with means for detecting zero crossing point of high-frequency oscillation to determine triggering time

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations92

US4074101AFeb 14, 1978

Induction heating apparatus using a pair of inversely parallel connected gate-controlled switching devices

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD51 citations92

US4016392AApr 5, 1977

Pan detector for induction heating apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 citations92

US4396818AAug 2, 1983

Thyristor off-time controlled induction heating apparatus by differentiated thyristor anode potential

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations82

US4092510AMay 30, 1978

Multiple-load induction heating cooking apparatus with means for eliminating interference between two or more commutation circuits

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations82

US4016391AApr 5, 1977

Induction heating apparatus with means for improving the dv/dt capability of a silicon-controlled rectifier used therein

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations82

US4317975AMar 2, 1982

Induction heating apparatus with means for detecting zero crossing point of high-frequency oscillation to determine triggering time

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations81

US4065802ADec 27, 1977

Inverter circuit for induction heating cooking ovens with a protection device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations78

US4595814AJun 17, 1986

Induction heating apparatus utilizing output energy for powering switching operation

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations74

US4555608ANov 26, 1985

Inverter device for induction heating

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations74

US4281378AJul 28, 1981

Frequency inverter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74

US4147910AApr 3, 1979

Power adjustment with variable frequency and duty-cycle control for induction heating apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations74

US4234917ANov 18, 1980

Commutation failure detection and restoration for SCR frequency converters

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations71

US4129767ADec 12, 1978

Induction heating apparatus having timing means responsive to temporary removal of cooking implement

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations71