Assignee
SHOWA ALUMINUM CORP
JP·133 granted patents·1 pending application·4,469 citations·filing 1981–2001
Top patents by PatentIndex Score
134 records- 0198US5720341AStacked-typed duplex heat exchangerSHOWA ALUMINUM CORP·Filed 1996·Granted Feb 24, 1998·117 cites·13 claims
- 0297US4804168AApparatus for treating molten metalSHOWA ALUMINUM CORP·Filed 1987·Granted Feb 14, 1989·154 cites·9 claims
- 0396US5810077ALayered heat exchangerSHOWA ALUMINUM CORP·Filed 1997·Granted Sep 22, 1998·75 cites·6 claims
- 0496US5570737AHeat exchangerSHOWA ALUMINUM CORP·Filed 1995·Granted Nov 5, 1996·77 cites·13 claims
- 0596US5529116ADuplex heat exchangerSHOWA ALUMINUM CORP·Filed 1993·Granted Jun 25, 1996·123 cites·11 claims
- 0696US4806436ASubstrate for amorphous silicon solar cellsSHOWA ALUMINUM CORP·Filed 1987·Granted Feb 21, 1989·129 cites·9 claims
- 0796US4729428AHeat exchanger of plate fin typeSHOWA ALUMINUM CORP·Filed 1986·Granted Mar 8, 1988·120 cites·2 claims
- 0895US6196019B1AccumulatorSHOWA ALUMINUM CORP·Filed 1999·Granted Mar 6, 2001·93 cites·15 claims
- 0995US5531268AHeat exchangerSHOWA ALUMINUM CORP·Filed 1994·Granted Jul 2, 1996·95 cites·21 claims
- 1095US4611790ADevice for releasing and diffusing bubbles into liquidSHOWA ALUMINUM CORP·Filed 1985·Granted Sep 16, 1986·147 cites·5 claims
- 1194US5076351AHeat pipeSHOWA ALUMINUM CORP·Filed 1990·Granted Dec 31, 1991·122 cites·4 claims
- 1294US4556419AProcess for treating molten aluminum to remove hydrogen gas and non-metallic inclusions therefromSHOWA ALUMINUM CORP·Filed 1984·Granted Dec 3, 1985·130 cites·8 claims
- 1391US6000467AMulti-bored flat tube for use in a heat exchanger and heat exchanger including said tubesSHOWA ALUMINUM CORP·Filed 1998·Granted Dec 14, 1999·56 cites·9 claims
- 1490US6021846ADuplex heat exchangerSHOWA ALUMINUM CORP·Filed 1998·Granted Feb 8, 2000·61 cites·1 claims
- 1590US5931226ARefrigerant tubes for heat exchangersSHOWA ALUMINUM CORP·Filed 1996·Granted Aug 3, 1999·26 cites·6 claims
- 1690US5441100AHeat exchangerSHOWA ALUMINUM CORP·Filed 1993·Granted Aug 15, 1995·57 cites·6 claims
- 1788US6241011B1Layered heat exchangersSHOWA ALUMINUM CORP·Filed 1998·Granted Jun 5, 2001·58 cites·2 claims
- 1888US6230407B1Method of checking whether noncondensable gases remain in heat pipe and process for producing heat pipeSHOWA ALUMINUM CORP·Filed 1999·Granted May 15, 2001·73 cites·19 claims
- 1988US5979742AFriction agitation joining method for joining metallic joining membersSHOWA ALUMINUM CORP·Filed 1998·Granted Nov 9, 1999·67 cites·16 claims
- 2088US5477919AHeat exchangerSHOWA ALUMINUM CORP·Filed 1993·Granted Dec 26, 1995·86 cites·16 claims
- 2187US5743328ADuplex heat exchangerSHOWA ALUMINUM CORP·Filed 1996·Granted Apr 28, 1998·54 cites·3 claims
- 2287US5191775ARefrigerant receiverSHOWA ALUMINUM CORP·Filed 1992·Granted Mar 9, 1993·40 cites·21 claims
- 2385US6123603AMagnetic hard disc substrate and process for manufacturing the sameSHOWA ALUMINUM CORP·Filed 1998·Granted Sep 26, 2000·44 cites·10 claims
- 2485US5593187APipe jointSHOWA ALUMINUM CORP·Filed 1995·Granted Jan 14, 1997·87 cites·6 claims
- 2584US6301115B1Heat sink devices for use in electronic devicesSHOWA ALUMINUM CORP·Filed 2000·Granted Oct 9, 2001·49 cites·2 claims
- 2684US6164368AHeat sink for portable electronic devicesSHOWA ALUMINUM CORP·Filed 1999·Granted Dec 26, 2000·76 cites·7 claims
- 2784US5240068AHeat exchangerSHOWA ALUMINUM CORP·Filed 1992·Granted Aug 31, 1993·38 cites·12 claims
- 2883US6504712B2Heat sinks for CPUs for use in personal computersSHOWA ALUMINUM CORP·Filed 2001·Granted Jan 7, 2003·59 cites·5 claims
- 2983US6170567B1Heat exchangerSHOWA ALUMINUM CORP·Filed 1997·Granted Jan 9, 2001·47 cites·14 claims
- 3082US5429182AHeat exchanger having inlet and outlet pipes for a heat exchanging medium and a method of making sameSHOWA ALUMINUM CORP·Filed 1993·Granted Jul 4, 1995·41 cites·6 claims
- 3182US5280971ATubular body having pipe joint member attached thereto with brazing ringSHOWA ALUMINUM CORP·Filed 1993·Granted Jan 25, 1994·42 cites·1 claims
- 3281US5984000ALayered heat exchangersSHOWA ALUMINUM CORP·Filed 1998·Granted Nov 16, 1999·33 cites·4 claims
- 3381US5868002ACondenser with a liquid-receiverSHOWA ALUMINUM CORP·Filed 1997·Granted Feb 9, 1999·39 cites·18 claims
- 3481US4804041AHeat-exchanger of plate fin typeSHOWA ALUMINUM CORP·Filed 1986·Granted Feb 14, 1989·47 cites·1 claims
- 3580US4588025AAluminum heat exchanger provided with fins having hydrophilic coatingSHOWA ALUMINUM CORP·Filed 1984·Granted May 13, 1986·37 cites·4 claims
- 3679US6070428AStack type evaporatorSHOWA ALUMINUM CORP·Filed 1998·Granted Jun 6, 2000·42 cites·6 claims
- 3779US6068178AFriction agitation joining method and friction agitation joining deviceSHOWA ALUMINUM CORP·Filed 1998·Granted May 30, 2000·55 cites·10 claims
- 3879US5400951AMethod of brazing a joint portion of an intake manifold with preplaced brazingSHOWA ALUMINUM CORP·Filed 1993·Granted Mar 28, 1995·43 cites·10 claims
- 3978US5504296AMethod of hot brazing aluminum articlesSHOWA ALUMINUM CORP·Filed 1993·Granted Apr 2, 1996·34 cites·11 claims
- 4078US5458190ACondenserSHOWA ALUMINUM CORP·Filed 1994·Granted Oct 17, 1995·40 cites·8 claims
- 4178US4829944AIntake manifold and process for producing sameSHOWA ALUMINUM CORP·Filed 1987·Granted May 16, 1989·26 cites·9 claims
- 4278US4670050AMethod of treating molten aluminum by removing hydrogen gas and nonmetallic inclusions therefromSHOWA ALUMINUM CORP·Filed 1985·Granted Jun 2, 1987·21 cites·5 claims
- 4377US6115252AHeat sink device for electronic devicesSHOWA ALUMINUM CORP·Filed 1999·Granted Sep 5, 2000·43 cites·17 claims
- 4477US5514248AStack type evaporatorSHOWA ALUMINUM CORP·Filed 1993·Granted May 7, 1996·41 cites·11 claims
- 4577US4766885ASolar water heaterSHOWA ALUMINUM CORP·Filed 1986·Granted Aug 30, 1988·38 cites·9 claims
- 4677US4747906AProcess and apparatus for purifying siliconSHOWA ALUMINUM CORP·Filed 1987·Granted May 31, 1988·25 cites·4 claims
- 4777US4588023ADevice for releasing heatSHOWA ALUMINUM CORP·Filed 1984·Granted May 13, 1986·46 cites·1 claims
- 4874US5937936AHeat sink for portable electronic devicesSHOWA ALUMINUM CORP·Filed 1997·Granted Aug 17, 1999·43 cites·2 claims
- 4974US5526876AHeat exchangerSHOWA ALUMINUM CORP·Filed 1995·Granted Jun 18, 1996·42 cites·2 claims
- 5073US5800673AStack type evaporatorSHOWA ALUMINUM CORP·Filed 1995·Granted Sep 1, 1998·34 cites·20 claims
Showing the top 50 of 134 patent records by PatentIndex Score.
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