Inventor · disambiguated record
Takumi Mizukawa
Also filed as: MIZUKAWA TAKUMI
18 granted patents·549 citations·filing 1975–1983
96Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD18
Top patents by PatentIndex Score
18 records- 0196US4467165AInduction heating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Aug 21, 1984·88 cites·8 claims
- 0293US4356371ASmall load detection by comparison between input and output parameters of an induction heat cooking apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Oct 26, 1982·70 cites·11 claims
- 0390US4074101AInduction heating apparatus using a pair of inversely parallel connected gate-controlled switching devicesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1976·Granted Feb 14, 1978·51 cites·23 claims
- 0489US4145592AInduction heating apparatus with means for detecting zero crossing point of high-frequency oscillation to determine triggering timeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1976·Granted Mar 20, 1979·32 cites·9 claims
- 0583US4016392APan detector for induction heating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1975·Granted Apr 5, 1977·39 cites·5 claims
- 0682US4446350AInduction heating cooking apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted May 1, 1984·40 cites·4 claims
- 0779US4065802AInverter circuit for induction heating cooking ovens with a protection deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1976·Granted Dec 27, 1977·30 cites·6 claims
- 0878US4092510AMultiple-load induction heating cooking apparatus with means for eliminating interference between two or more commutation circuitsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1976·Granted May 30, 1978·29 cites·7 claims
- 0977US4317975AInduction heating apparatus with means for detecting zero crossing point of high-frequency oscillation to determine triggering timeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1978·Granted Mar 2, 1982·24 cites·5 claims
- 1075US4447691ACircuit for detecting a utensil load placed asymmetrically relative to an induction heating coilMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted May 8, 1984·28 cites·49 claims
- 1175US4016391AInduction heating apparatus with means for improving the dv/dt capability of a silicon-controlled rectifier used thereinMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1975·Granted Apr 5, 1977·19 cites·4 claims
- 1267US4396818AThyristor off-time controlled induction heating apparatus by differentiated thyristor anode potentialMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Aug 2, 1983·21 cites·7 claims
- 1365US4147910APower adjustment with variable frequency and duty-cycle control for induction heating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1977·Granted Apr 3, 1979·14 cites·5 claims
- 1463US4595814AInduction heating apparatus utilizing output energy for powering switching operationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1983·Granted Jun 17, 1986·18 cites·11 claims
- 1562US4129767AInduction heating apparatus having timing means responsive to temporary removal of cooking implementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1977·Granted Dec 12, 1978·19 cites·1 claims
- 1652US4555608AInverter device for induction heatingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Nov 26, 1985·12 cites·2 claims
- 1749US4281378AFrequency inverterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1979·Granted Jul 28, 1981·7 cites·4 claims
- 1845US4234917ACommutation failure detection and restoration for SCR frequency convertersMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1979·Granted Nov 18, 1980·8 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Takumi Mizukawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →