Inventor · disambiguated record
Yuji Hayakawa
Also filed as: HAYAKAWA YUJI
42 granted patents·4 pending applications·594 citations·filing 1985–2018
98Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD12FUJI XEROX CO LTD9PANASONIC CORP7HAYAKAWA YUJI5PANASONIC IP MAN CO LTD5
Top patents by PatentIndex Score
46 records- 0197US10125978B2Steam generatorPANASONIC CORP·Filed 2014·Granted Nov 13, 2018·30 cites·5 claims
- 0296US9788678B2Heating cookerPANASONIC CORP·Filed 2013·Granted Oct 17, 2017·32 cites·2 claims
- 0395US10492637B2Heating cookerPANASONIC IP MAN CO LTD·Filed 2014·Granted Dec 3, 2019·32 cites·7 claims
- 0495US9890946B2Steam generatorPANASONIC IP MAN CO LTD·Filed 2014·Granted Feb 13, 2018·30 cites·12 claims
- 0595US9615688B2Steam generator and heating cooker including steam generatorPANASONIC IP MAN CO LTD·Filed 2013·Granted Apr 11, 2017·30 cites·4 claims
- 0694US9743794B2Steam generatorPANASONIC IP MAN CO LTD·Filed 2014·Granted Aug 29, 2017·28 cites·6 claims
- 0790US9841182B2Steam generator and heating cooker comprising steam generatorPANASONIC CORP·Filed 2013·Granted Dec 12, 2017·5 cites·13 claims
- 0888US9182725B2Drive switching device and image forming apparatusFUJI XEROX CO LTD·Filed 2014·Granted Nov 10, 2015·4 cites·6 claims
- 0988US8727338B2Supply device and image forming apparatusHAYAKAWA YUJI·Filed 2012·Granted May 20, 2014·7 cites·5 claims
- 1088US7166824B2High-frequency heating apparatus and control method thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jan 23, 2007·48 cites·20 claims
- 1188US7087873B2High frequency heating apparatus with steam generating functionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Aug 8, 2006·50 cites·25 claims
- 1288US4884026AElectrical characteristic measuring apparatusTOKYO ELECTRON LTD·Filed 1988·Granted Nov 28, 1989·80 cites·6 claims
- 1386US6843207B2Water supply tank unitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jan 18, 2005·34 cites·7 claims
- 1484US9588482B2Image forming apparatusFUJI XEROX CO LTD·Filed 2015·Granted Mar 7, 2017·3 cites·7 claims
- 1580US7171923B2Water supply tank unit and heating apparatus having the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Feb 6, 2007·30 cites·8 claims
- 1675US10835072B2Steam generatorPANASONIC IP MAN CO LTD·Filed 2014·Granted Nov 17, 2020·4 cites·5 claims
- 1774US8020854B2Sheet feeding apparatus, image processor and sheet feeding methodFUJI XEROX CO LTD·Filed 2009·Granted Sep 20, 2011·4 cites·12 claims
- 1872US4796113AMethod and apparatus for automatically replacing defective recording tracks in data storage apparatusBROTHER IND LTD·Filed 1986·Granted Jan 3, 1989·18 cites·13 claims
- 1971US7919735B2High-frequency heating devicePANASONIC CORP·Filed 2004·Granted Apr 5, 2011·15 cites·7 claims
- 2071US7598926B2Display panel, control display panel and method for integrally molding insert materialPANASONIC CORP·Filed 2005·Granted Oct 6, 2009·3 cites·14 claims
- 2170US7304278B2Steam generation function-equipped high-frequency heating deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Dec 4, 2007·15 cites·25 claims
- 2267US9555989B2Image forming apparatusFUJI XEROX CO LTD·Filed 2015·Granted Jan 31, 2017·1 cites·7 claims
- 2367US8588673B2Conveying device and image-forming apparatusHAYAKAWA YUJI·Filed 2010·Granted Nov 19, 2013·3 cites·2 claims
- 2466US8382094B2Recording medium feeding device and image forming apparatusFUJI XEROX CO LTD·Filed 2011·Granted Feb 26, 2013·2 cites·10 claims
- 2566US5371343AHeating cooking device having a wave guide and feeder port disposed perpendicular to a rotary tableMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Dec 6, 1994·25 cites·18 claims
- 2665US4593329AMagnetic data storage apparatus having a magnetic disk normally in contact with a transducer head, and method of operationTEAC CORP·Filed 1985·Granted Jun 3, 1986·14 cites·5 claims
- 2763US6802708B2High frequency heating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Oct 12, 2004·9 cites·15 claims
- 2859US8465017B1Supply device and image forming apparatusHAYAKAWA YUJI·Filed 2012·Granted Jun 18, 2013·1 cites·5 claims
- 2958US7105786B2High frequency heating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Sep 12, 2006·7 cites·12 claims
- 3057US7105785B2High frequency heating apparatus with steam generating functionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Sep 12, 2006·7 cites·27 claims
- 3154US7645966B2Attachment structure of storage unitPANASONIC CORP·Filed 2003·Granted Jan 12, 2010·5 cites·6 claims
- 3254US7234478B2High frequency heating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 26, 2007·4 cites·10 claims
- 3353US7947934B2High frequency cookwarePANASONIC CORP·Filed 2005·Granted May 24, 2011·0 cites·8 claims
- 3453US7414227B2High frequency heating device with steam generating functionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Aug 19, 2008·4 cites·7 claims
- 3546US9635716B2High-frequency cookerHAYAKAWA YUJI·Filed 2012·Granted Apr 25, 2017·0 cites·2 claims
- 3646US9550640B2Image forming apparatus and supplying deviceFUJI XEROX CO LTD·Filed 2015·Granted Jan 24, 2017·0 cites·6 claims
- 3745US4633340AMagnetic recording and reproducing apparatus with means for increasing amount of information to be stored in a magnetic memory diskBROTHER IND LTD·Filed 1985·Granted Dec 30, 1986·6 cites·9 claims
- 3843US10745221B2Sheet separating device and image forming apparatusFUJI XEROX CO LTD·Filed 2018·Granted Aug 18, 2020·0 cites·11 claims
- 3940US9182038B2Cooker with steam generating functionHAYAKAWA YUJI·Filed 2011·Granted Nov 10, 2015·0 cites·3 claims
- 4039US6026996ABrick body for rotary nozzle and rotary nozzle using sameNIPPON KOKAN KK·Filed 1997·Granted Feb 22, 2000·4 cites·9 claims
- 4139US2012312808A1High-frequency cooking deviceTSUJIMOTO MASAHARU·Filed 2011·Application pending·0 cites
- 4237US2012305539A1High-frequency heating deviceSAKAI SHINICHI·Filed 2011·Application pending·0 cites
- 4335US9188932B2Image forming apparatusFUJI XEROX CO LTD·Filed 2015·Granted Nov 17, 2015·0 cites·4 claims
- 4435US2005014642A1Activated carbon and canisterCATALER CORP·Filed 2004·Application pending·0 cites
- 4534US2016368726A1Image forming apparatusFUJI XEROX CO LTD·Filed 2015·Application pending·0 cites
- 4628US6191403B1High frequency heating cooking apparatus and manufacturing method thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Feb 20, 2001·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →