Inventor · disambiguated record
Yukio Yamaguchi
Also filed as: YAMAGUCHI YUKIO
52 granted patents·5 pending applications·1,770 citations·filing 1976–2012
99Inventor score
Files withMATSUSHITA ELECTRONICS CORP7MITSUBISHI CHEM IND7MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4MITSUBISHI HEAVY IND LTD4NEC CORP4
Top patents by PatentIndex Score
57 records- 0197US6455348B1Lead frame, resin-molded semiconductor device, and method for manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Sep 24, 2002·186 cites·8 claims
- 0297US6225146B1Lead frame, method of manufacturing lead frame, semiconductor device and method of manufacturing semiconductor deviceMATSUSHITA ELECTRONICS CORP·Filed 1999·Granted May 1, 2001·247 cites·20 claims
- 0397US6081029AResin encapsulated semiconductor device having a reduced thickness and improved reliabilityMATSUSHITA ELECTRONICS CORP·Filed 1999·Granted Jun 27, 2000·266 cites·8 claims
- 0494US6166430ALead frame, method for manufacturing the frame, resin-molded semiconductor device and method for manufacturing the deviceMATSUSHITA ELECTRONICS CORP·Filed 1999·Granted Dec 26, 2000·180 cites·14 claims
- 0594US5977615ALead frame, method of manufacturing lead frame, semiconductor device and method of manufacturing semiconductor deviceMATSUSHITA ELECTRONICS CORP·Filed 1997·Granted Nov 2, 1999·159 cites·27 claims
- 0694US4602473AMethod and apparatus for replacing air within a container head spaceMITSUBISHI HEAVY IND LTD·Filed 1985·Granted Jul 29, 1986·74 cites·1 claims
- 0788US6337117B1Optical memory deviceMITSUBISHI CHEM CORP·Filed 1999·Granted Jan 8, 2002·96 cites·39 claims
- 0887US4109160AControl system for hydroelectric power station systemHITACHI LTD·Filed 1976·Granted Aug 22, 1978·63 cites·15 claims
- 0980US6291274B1Resin molded semiconductor device and method for manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Sep 18, 2001·60 cites·8 claims
- 1078US6258314B1Method for manufacturing resin-molded semiconductor deviceMATSUSHITA ELECTRONICS CORP·Filed 2000·Granted Jul 10, 2001·25 cites·17 claims
- 1177US8035202B2Electronic device having a wiring substrateNEC CORP·Filed 2009·Granted Oct 11, 2011·5 cites·11 claims
- 1277US4267853ASelf-closing gas pipes and pipe jointsTOHO GASU KABUSHIKI DAISHA·Filed 1978·Granted May 19, 1981·34 cites·4 claims
- 1376US4997539AMethod and apparatus for producing a magnetic recording mediumMITSUBISHI CHEM IND·Filed 1989·Granted Mar 5, 1991·22 cites·19 claims
- 1472US8518363B2Method for production of carbon nanotubeNODA SUGURU·Filed 2007·Granted Aug 27, 2013·3 cites·34 claims
- 1571US4239793AGas separation membraneMITSUBISHI CHEM IND·Filed 1978·Granted Dec 16, 1980·20 cites·7 claims
- 1670US7391979B2Image processing apparatus and method of automatic rebootRICOH KK·Filed 2005·Granted Jun 24, 2008·5 cites·30 claims
- 1769US4764448AAmorphous silicon hydride photoreceptors for electrophotography, process for the preparation thereof, and method of useMITSUBISHI CHEM IND·Filed 1986·Granted Aug 16, 1988·17 cites·17 claims
- 1868US8425279B2Apparatus for manufacturing seeds for polycrystalline silicon manufactureGURLEY LARRY·Filed 2008·Granted Apr 23, 2013·9 cites·5 claims
- 1967US4525554AProcess for polymerizing olefinMITSUBISHI CHEM IND·Filed 1981·Granted Jun 25, 1985·17 cites·12 claims
- 2063US6642082B2Method for manufacturing a resin-sealed semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Nov 4, 2003·12 cites·6 claims
- 2163US6601786B2Fuel injection valveDENSO CORP·Filed 2001·Granted Aug 5, 2003·10 cites·12 claims
- 2260US9073045B2Carbon nano-tube manfuacturing method and carbon nano-tube manufacturing apparatusNODA SUGURU·Filed 2009·Granted Jul 7, 2015·1 cites·6 claims
- 2359US8947721B2Image forming apparatus, backup and restore processing methodHIROKAWA TATSUMA·Filed 2012·Granted Feb 3, 2015·1 cites·17 claims
- 2458US7455731B2Polycrystalline silicon rod and method for processing the sameMITSUBISHI MATERIALS CORP·Filed 2006·Granted Nov 25, 2008·5 cites·8 claims
- 2558US4781244ALiquid cooling system for integrated circuit chipsNEC CORP·Filed 1987·Granted Nov 1, 1988·25 cites·5 claims
- 2657US8525074B2Machining method and machining system for micromachining a part in a machine componentFUKUSHIMA TAKESHI·Filed 2009·Granted Sep 3, 2013·2 cites·8 claims
- 2757US6126885AMethod for manufacturing resin-molded semiconductor deviceMATSUSHITA ELECTRONICS CORP·Filed 1998·Granted Oct 3, 2000·20 cites·2 claims
- 2856US5154795ASystem for setting analysis condition for a thermal analysis of a fluid inside an apparatusMITSUBISHI KASEI POLYTEC CO·Filed 1990·Granted Oct 13, 1992·15 cites·6 claims
- 2956US4835519ADetecting apparatus using ultrasonic wavesOMRON TATEISI ELECTRONICS CO·Filed 1987·Granted May 30, 1989·19 cites·11 claims
- 3053US9127868B2Heat exchanger and a heat pump using sameIWASAWA NAOTAKA·Filed 2011·Granted Sep 8, 2015·1 cites·4 claims
- 3152US5220946ACounterpressure type container filling apparatusMITSUBISHI HEAVY IND LTD·Filed 1991·Granted Jun 22, 1993·17 cites·9 claims
- 3251US4229341AMethod of making thermally expansible rubber tubes for use in self-closing gas pipes and pipe jointsTOHO GASU KABUSHIKI KAISHA·Filed 1979·Granted Oct 21, 1980·13 cites·7 claims
- 3350US5606656AImage data processing unit for forming a plurality of identical images in a single output image areaRICOH KK·Filed 1995·Granted Feb 25, 1997·20 cites·14 claims
- 3449US2011317388A1Electronic device having a wiring substrateWATANABE SHINJI·Filed 2011·Application pending·0 cites
- 3548US7189278B2Method and apparatus for producing semiconductor or metal particlesCLEAN VENTURE 21 CORP·Filed 2003·Granted Mar 13, 2007·1 cites·25 claims
- 3647US5642970AMethod of producing a curved groove in a workpieceNIPPON DENSO CO·Filed 1996·Granted Jul 1, 1997·13 cites·26 claims
- 3747US4590849ABread toasterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted May 27, 1986·20 cites·3 claims
- 3844US5581880AMethod for machining scroll memberNIPPON DENSO CO·Filed 1995·Granted Dec 10, 1996·12 cites·5 claims
- 3943US5264726AChip-carrierNEC CORP·Filed 1992·Granted Nov 23, 1993·13 cites·2 claims
- 4043US2007075436A1Electronic device and manufacturing method of the sameNEC CORP·Filed 2004·Application pending·0 cites
- 4142US5708295ALead frame and method of manufacturing the same, and resin sealed semiconductor device and method of manufacturing the sameMATSUSHITA ELECTRONICS CORP·Filed 1996·Granted Jan 13, 1998·10 cites·16 claims
- 4240US5177711AObject detecting switch deviceOMRON TATEISI ELECTRONICS·Filed 1991·Granted Jan 5, 1993·13 cites·13 claims
- 4339US7060355B2Polycrystalline silicon rod and method of processing the sameMITSUBISHI MATERIALS POLYCRYST·Filed 2001·Granted Jun 13, 2006·4 cites·6 claims
- 4439US6280296B1Surface polishing method and apparatus wherein axis of autorotation of workpiece is revolved about an axis within circumscribed circle of the workpieceNORITAKE CO LTD·Filed 1999·Granted Aug 28, 2001·10 cites·20 claims
- 4539US4655878AMethod of regulating fuel supply rate for heating a coke ovenMITSUBISHI CHEM IND·Filed 1984·Granted Apr 7, 1987·3 cites·9 claims
- 4636US2006162763A1Photovoltaic apparatus and mass-producing apparatus for mass-producing spherical semiconductor particlesCLEAN VENTURE 21 CORP·Filed 2003·Application pending·0 cites
- 4736US2007110957A1Anisotropic diffusing medium and production method thereforHIGASHI KENSAKU·Filed 2005·Application pending·0 cites
- 4835US5630684AMethod for machining a scroll memberNIPPON DENSO CO·Filed 1995·Granted May 20, 1997·7 cites·8 claims
- 4935US2001045640A1Resin-molded semiconductor device and method for manufacturing the sameFiled 2001·Application pending·0 cites
- 5033US5008862AObject detecting switch deviceOMRON TATEISI ELECTRONICS CO·Filed 1990·Granted Apr 16, 1991·4 cites·9 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →