Assignee
HITACHI HEATING APPL
JP·27 granted patents·719 citations·filing 1975–1988
Top patents by PatentIndex Score
27 records- 0190US4518839AHigh frequency heating apparatus with wireless temperature probeHITACHI HEATING APPL·Filed 1983·Granted May 21, 1985·67 cites·22 claims
- 0287US4520250AHeating apparatus of thawing sensor controlled typeHITACHI HEATING APPL·Filed 1983·Granted May 28, 1985·55 cites·29 claims
- 0387US4132878AHigh-frequency energy apparatusHITACHI HEATING APPL·Filed 1977·Granted Jan 2, 1979·45 cites·14 claims
- 0486US4363957AHeating apparatus with char detecting and heating controllerHITACHI HEATING APPL·Filed 1979·Granted Dec 14, 1982·51 cites·30 claims
- 0580US4409452AHigh-frequency heating applianceHITACHI HEATING APPL·Filed 1981·Granted Oct 11, 1983·64 cites·15 claims
- 0679US4903587AAutomatic baking apparatusHITACHI HEATING APPL·Filed 1988·Granted Feb 27, 1990·57 cites·15 claims
- 0779US4433232AHeating apparatusHITACHI HEATING APPL·Filed 1981·Granted Feb 21, 1984·35 cites·5 claims
- 0878US4367388ACooking heating apparatusHITACHI HEATING APPL·Filed 1980·Granted Jan 4, 1983·32 cites·12 claims
- 0977US4506127AHigh-frequency heating apparatusHITACHI HEATING APPL·Filed 1979·Granted Mar 19, 1985·28 cites·20 claims
- 1077US4115678AMicrowave ovenHITACHI HEATING APPL·Filed 1977·Granted Sep 19, 1978·29 cites·12 claims
- 1170US4475023AMicrowave heating apparatus with fundamental and second higher harmonic chokesHITACHI HEATING APPL·Filed 1982·Granted Oct 2, 1984·30 cites·5 claims
- 1270US4185181AMicrowave ovenHITACHI HEATING APPL·Filed 1977·Granted Jan 22, 1980·22 cites·9 claims
- 1367US4213023AHigh frequency energy apparatus with automatic heating cycle controlHITACHI HEATING APPL·Filed 1977·Granted Jul 15, 1980·18 cites·25 claims
- 1466US4426572AHeating apparatus with char detecting and heating control unitHITACHI HEATING APPL·Filed 1981·Granted Jan 17, 1984·21 cites·11 claims
- 1564US4254318ADoor seal arrangement for high-frequency heating apparatusHITACHI HEATING APPL·Filed 1978·Granted Mar 3, 1981·18 cites·33 claims
- 1659US3952567AGas sensorHITACHI HEATING APPL·Filed 1975·Granted Apr 27, 1976·14 cites·8 claims
- 1758US4131779AHigh-frequency heating apparatusHITACHI HEATING APPL·Filed 1977·Granted Dec 26, 1978·18 cites·21 claims
- 1857US4109129AHigh frequency energy apparatus having automatic final temperature compensatorHITACHI HEATING APPL·Filed 1976·Granted Aug 22, 1978·12 cites·23 claims
- 1955US4245143AMicrowave ovenHITACHI HEATING APPL·Filed 1979·Granted Jan 13, 1981·13 cites·13 claims
- 2053US4845327AMicrowave oven having automatic bread making functionHITACHI HEATING APPL·Filed 1988·Granted Jul 4, 1989·17 cites·8 claims
- 2153US4814588AFoodstuffs heating apparatus using information cards for automatic mode setting or the likeHITACHI HEATING APPL·Filed 1981·Granted Mar 21, 1989·15 cites·23 claims
- 2250US4749973AWaveguide filter used in a microwave ovenHITACHI HEATING APPL·Filed 1986·Granted Jun 7, 1988·12 cites·6 claims
- 2346US4664095ASafety device for open-type combustorHITACHI HEATING APPL·Filed 1985·Granted May 12, 1987·14 cites·18 claims
- 2444US4868359ARadiation sealed door in a microwave heating apparatusHITACHI HEATING APPL·Filed 1987·Granted Sep 19, 1989·10 cites·13 claims
- 2542US4370545ACooking apparatusHITACHI HEATING APPL·Filed 1980·Granted Jan 25, 1983·9 cites·4 claims
- 2641US4129774AFilling materials for heating elementsHITACHI HEATING APPL·Filed 1976·Granted Dec 12, 1978·9 cites·10 claims
- 2731US4450345AFoodstuffs heating apparatus with selective heating functionsHITACHI HEATING APPL·Filed 1981·Granted May 22, 1984·4 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →