Assignee
SHOWA ALUMINIUM CO LTD
JP·58 granted patents·1,522 citations·filing 1975–1994
Top patents by PatentIndex Score
58 records- 0197US5186250ATube for heat exchangers and a method for manufacturing the tubeSHOWA ALUMINIUM CO LTD·Filed 1991·Granted Feb 16, 1993·150 cites·12 claims
- 0296US4825941ACondenser for use in a car cooling systemSHOWA ALUMINIUM CO LTD·Filed 1987·Granted May 2, 1989·115 cites·8 claims
- 0393US4713216AAluminum alloys having high strength and resistance to stress and corrosionSHOWA ALUMINIUM CO LTD·Filed 1986·Granted Dec 15, 1987·77 cites·14 claims
- 0492US4815532AStack type heat exchangerSHOWA ALUMINIUM CO LTD·Filed 1987·Granted Mar 28, 1989·65 cites·8 claims
- 0591US5033540AConsolidated duplex heat exchangerSHOWA ALUMINIUM CO LTD·Filed 1990·Granted Jul 23, 1991·82 cites·7 claims
- 0691US4373950AProcess of preparing aluminum of high puritySHOWA ALUMINIUM CO LTD·Filed 1980·Granted Feb 15, 1983·31 cites·5 claims
- 0789US4945635AMethod of manufacturing brazable pipes and heat exchangerSHOWA ALUMINIUM CO LTD·Filed 1989·Granted Aug 7, 1990·71 cites·8 claims
- 0889US4724901ADevice for releasing heatSHOWA ALUMINIUM CO LTD·Filed 1980·Granted Feb 16, 1988·55 cites·5 claims
- 0988US5386629ATube for heat exchangers and a method for manufacturing the tubeSHOWA ALUMINIUM CO LTD·Filed 1994·Granted Feb 7, 1995·63 cites·8 claims
- 1087US5183103AHeat exchangerSHOWA ALUMINIUM CO LTD·Filed 1991·Granted Feb 2, 1993·55 cites·11 claims
- 1184US5123483AHeat exchangerSHOWA ALUMINIUM CO LTD·Filed 1991·Granted Jun 23, 1992·50 cites·13 claims
- 1283US4936379ACondenser for use in a car cooling systemSHOWA ALUMINIUM CO LTD·Filed 1989·Granted Jun 26, 1990·35 cites·2 claims
- 1382US5033344APipe cutting apparatusSHOWA ALUMINIUM CO LTD·Filed 1990·Granted Jul 23, 1991·52 cites·5 claims
- 1482US4369838ADevice for releasing heatSHOWA ALUMINIUM CO LTD·Filed 1980·Granted Jan 25, 1983·68 cites·3 claims
- 1581USD266082SHeat releasing plate for mounting semiconductor componentsSHOWA ALUMINIUM CO LTD·Filed 1980·Granted Sep 7, 1982·18 cites·1 claims
- 1680US5243842AMethod of making a brazeable metal pipe having tube-insertion apertures formed with guide lugsSHOWA ALUMINIUM CO LTD·Filed 1992·Granted Sep 14, 1993·48 cites·17 claims
- 1780US5069275AHeat exchangerSHOWA ALUMINIUM CO LTD·Filed 1991·Granted Dec 3, 1991·46 cites·7 claims
- 1879US5482112ACondenserSHOWA ALUMINIUM CO LTD·Filed 1994·Granted Jan 9, 1996·46 cites·5 claims
- 1979US4712612AHorizontal stack type evaporatorSHOWA ALUMINIUM CO LTD·Filed 1985·Granted Dec 15, 1987·38 cites·1 claims
- 2078USD266080SHeat releasing plate for mounting semiconductor componentsSHOWA ALUMINIUM CO LTD·Filed 1980·Granted Sep 7, 1982·16 cites·1 claims
- 2176USD266081SHeat releasing plate for mounting semiconductor componentsSHOWA ALUMINIUM CO LTD·Filed 1980·Granted Sep 7, 1982·15 cites·1 claims
- 2275US4763229AAluminum capacitor plate for electrolytic capacitor and process for making the sameSHOWA ALUMINIUM CO LTD·Filed 1987·Granted Aug 9, 1988·38 cites·17 claims
- 2374US4907735AProcess for producing a chassis for vehiclesSHOWA ALUMINIUM CO LTD·Filed 1989·Granted Mar 13, 1990·29 cites·4 claims
- 2469US5048602AHeat exchangersSHOWA ALUMINIUM CO LTD·Filed 1989·Granted Sep 17, 1991·29 cites·7 claims
- 2569US4989775AMethod for brazing aluminum componentsSHOWA ALUMINIUM CO LTD·Filed 1988·Granted Feb 5, 1991·27 cites·15 claims
- 2668US4158074AProcess for preparing colored aluminum powderSHOWA ALUMINIUM CO LTD·Filed 1978·Granted Jun 12, 1979·24 cites·6 claims
- 2764US5025855ACondenser for use in a car cooling systemSHOWA ALUMINIUM CO LTD·Filed 1990·Granted Jun 25, 1991·20 cites·1 claims
- 2860US4967834AHeat exchangersSHOWA ALUMINIUM CO LTD·Filed 1989·Granted Nov 6, 1990·21 cites·4 claims
- 2959US4547275AProcess for treating surface of aluminum foil for use as electrode of electrolytic capacitorsSHOWA ALUMINIUM CO LTD·Filed 1985·Granted Oct 15, 1985·13 cites·7 claims
- 3058US4228791ASolar energy collecting roofSHOWA ALUMINIUM CO LTD·Filed 1978·Granted Oct 21, 1980·25 cites·9 claims
- 3157US4401489AAluminum alloy foils for cathodes of electrolytic capacitorsSHOWA ALUMINIUM CO LTD·Filed 1982·Granted Aug 30, 1983·10 cites·3 claims
- 3253US4737206AExtruded aluminum alloys having improved wear resistance and process for preparing sameSHOWA ALUMINIUM CO LTD·Filed 1986·Granted Apr 12, 1988·13 cites·28 claims
- 3351US4756753AParticles dispersed aluminum matrix composites and method for making sameSHOWA ALUMINIUM CO LTD·Filed 1987·Granted Jul 12, 1988·12 cites·7 claims
- 3450US5244144AMethod for brazing aluminum materialsSHOWA ALUMINIUM CO LTD·Filed 1992·Granted Sep 14, 1993·17 cites·4 claims
- 3550US4852791AMethod for making corrosion resistance heat exchangersSHOWA ALUMINIUM CO LTD·Filed 1988·Granted Aug 1, 1989·7 cites·3 claims
- 3642USD266074SHeat releasing plate for mounting semiconductor componentsSHOWA ALUMINIUM CO LTD·Filed 1980·Granted Sep 7, 1982·3 cites·1 claims
- 3739US4866479APhotosensitive drumsSHOWA ALUMINIUM CO LTD·Filed 1988·Granted Sep 12, 1989·5 cites·8 claims
- 3835US5069095APipe centering apparatusSHOWA ALUMINIUM CO LTD·Filed 1990·Granted Dec 3, 1991·5 cites·4 claims
- 3935US5060500AApparatus for automatically forming a pointed end of raw pipe to be drawnSHOWA ALUMINIUM CO LTD·Filed 1990·Granted Oct 29, 1991·7 cites·5 claims
- 4034US4962880AMethod of forming a heat exchanger with components comprising an aluminum alloy containing reduced amounts of magnesiumSHOWA ALUMINIUM CO LTD·Filed 1990·Granted Oct 16, 1990·4 cites·9 claims
- 4133USD266077SHeat releasing plate for mounting semiconductor componentsSHOWA ALUMINIUM CO LTD·Filed 1980·Granted Sep 7, 1982·1 cites·1 claims
- 4233USD266070SHeat releasing plate for mounting semiconductor componentsSHOWA ALUMINIUM CO LTD·Filed 1980·Granted Sep 7, 1982·1 cites·1 claims
- 4333USD266075SHeat releasing plate for mounting semiconductor componentsSHOWA ALUMINIUM CO LTD·Filed 1980·Granted Sep 7, 1982·1 cites·1 claims
- 4433US3994753AStop-weld composition and method for producing aluminium tube in sheet utilizing the sameSHOWA ALUMINIUM CO LTD·Filed 1975·Granted Nov 30, 1976·5 cites·6 claims
- 4532US4805435AMethod for producing aluminum drums having highly smooth surfaceSHOWA ALUMINIUM CO LTD·Filed 1988·Granted Feb 21, 1989·6 cites·6 claims
- 4629USD266071SHeat releasing plate for mounting semiconductor componentsSHOWA ALUMINIUM CO LTD·Filed 1980·Granted Sep 7, 1982·0 cites·1 claims
- 4729USD266078SHeat releasing plate for mounting semiconductor componentsSHOWA ALUMINIUM CO LTD·Filed 1980·Granted Sep 7, 1982·0 cites·1 claims
- 4829USD266079SHeat releasing plate for mounting semiconductor componentsSHOWA ALUMINIUM CO LTD·Filed 1980·Granted Sep 7, 1982·0 cites·1 claims
- 4929USD266065SHeat releasing plate for mounting semiconductor componentsSHOWA ALUMINIUM CO LTD·Filed 1980·Granted Sep 7, 1982·0 cites·1 claims
- 5029USD266066SHeat releasing plate for mounting semiconductor componentsSHOWA ALUMINIUM CO LTD·Filed 1980·Granted Sep 7, 1982·0 cites·1 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
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