Assignee
SUMITOMO ALUMINIUM SMELTING CO
JP·27 granted patents·490 citations·filing 1975–1985
Top patents by PatentIndex Score
27 records- 0196US4173518AElectrodes for aluminum reduction cellsSUMITOMO ALUMINIUM SMELTING CO·Filed 1977·Granted Nov 6, 1979·51 cites·26 claims
- 0292US4215094AMethod for the removal of organic substances from alkali metal aluminate solutionSUMITOMO ALUMINIUM SMELTING CO·Filed 1979·Granted Jul 29, 1980·45 cites·11 claims
- 0390US4426363AProcess for extracting alumina from aluminous oresSUMITOMO ALUMINIUM SMELTING CO·Filed 1982·Granted Jan 17, 1984·48 cites·2 claims
- 0484US4311486AProcess for producing coarse grains of aluminum hydroxideSUMITOMO ALUMINIUM SMELTING CO·Filed 1980·Granted Jan 19, 1982·32 cites·16 claims
- 0584US4211667AProcess for producing alumina solsSUMITOMO ALUMINIUM SMELTING CO·Filed 1978·Granted Jul 8, 1980·26 cites·7 claims
- 0683US4364919AProcess for producing coarse grains of aluminum hydroxideSUMITOMO ALUMINIUM SMELTING CO·Filed 1982·Granted Dec 21, 1982·30 cites·3 claims
- 0781US4260524AHollow catalyst carrier and hollow catalyst made of transition-alumina and process for production thereofSUMITOMO ALUMINIUM SMELTING CO·Filed 1979·Granted Apr 7, 1981·30 cites·12 claims
- 0880US4344904ASintering method of zirconiaSUMITOMO ALUMINIUM SMELTING CO·Filed 1980·Granted Aug 17, 1982·39 cites·7 claims
- 0973US4243438AProduction of aluminum impact extrusionsSUMITOMO ALUMINIUM SMELTING CO·Filed 1979·Granted Jan 6, 1981·20 cites·11 claims
- 1068US4213558AContinuous casting and cladding process and apparatus for producing metal cladSUMITOMO ALUMINIUM SMELTING CO·Filed 1978·Granted Jul 22, 1980·21 cites·15 claims
- 1167US4041137AMethod of producing aluminum fluorideSUMITOMO ALUMINIUM SMELTING CO·Filed 1976·Granted Aug 9, 1977·14 cites·18 claims
- 1266US4201749AMethod for the separation of precipitated aluminum hydroxide from sodium aluminate solutionSUMITOMO ALUMINIUM SMELTING CO·Filed 1979·Granted May 6, 1980·11 cites·6 claims
- 1364US4562040AMethod for manufacturing high-strength sintered silicon carbide articlesSUMITOMO ALUMINIUM SMELTING CO·Filed 1985·Granted Dec 31, 1985·19 cites·9 claims
- 1455US4128618AProcess for extracting alumina from alumina-containing oresSUMITOMO ALUMINIUM SMELTING CO·Filed 1977·Granted Dec 5, 1978·7 cites·8 claims
- 1553US4263261AMethod for the removal of impurities from sodium aluminate solutionSUMITOMO ALUMINIUM SMELTING CO·Filed 1979·Granted Apr 21, 1981·6 cites·10 claims
- 1652US4462885AConductor arrangement of electrolytic cells for producing aluminumSUMITOMO ALUMINIUM SMELTING CO·Filed 1983·Granted Jul 31, 1984·10 cites·4 claims
- 1752US4148706AAnode paste filling apparatus for an aluminum electrolytic cellSUMITOMO ALUMINIUM SMELTING CO·Filed 1978·Granted Apr 10, 1979·12 cites·10 claims
- 1851US4043880AMethod for producing green-colored anodic oxide film on aluminum or aluminum base alloy articlesSUMITOMO ALUMINIUM SMELTING CO·Filed 1976·Granted Aug 23, 1977·8 cites·22 claims
- 1950US4421615AProcess for producing metallic galliumSUMITOMO ALUMINIUM SMELTING CO·Filed 1982·Granted Dec 20, 1983·7 cites·5 claims
- 2049US4121926ASquirrel-cage rotorSUMITOMO ALUMINIUM SMELTING CO·Filed 1976·Granted Oct 24, 1978·10 cites·10 claims
- 2144US4059494AProcess for continuous electrolytic coloring of aluminum or aluminum base alloy strip and wireSUMITOMO ALUMINIUM SMELTING CO·Filed 1977·Granted Nov 22, 1977·6 cites·5 claims
- 2243US4205716AContinuous casting process and apparatus for production of metallic hollow ingotSUMITOMO ALUMINIUM SMELTING CO·Filed 1978·Granted Jun 3, 1980·5 cites·12 claims
- 2341US4442829AMaterial for selective absorption of solar energy and production thereofSUMITOMO ALUMINIUM SMELTING CO·Filed 1978·Granted Apr 17, 1984·12 cites·10 claims
- 2441US4046650ACarbon block for cathodes of aluminumSUMITOMO ALUMINIUM SMELTING CO·Filed 1975·Granted Sep 6, 1977·7 cites·2 claims
- 2538US4474610ABus bar arrangement of electrolytic cells for producing aluminumSUMITOMO ALUMINIUM SMELTING CO·Filed 1983·Granted Oct 2, 1984·6 cites·5 claims
- 2638US4222992AProcess for the removal of sulfur oxides from exhaust gases using slurry of red mud containing calcium ionSUMITOMO ALUMINIUM SMELTING CO·Filed 1979·Granted Sep 16, 1980·6 cites·13 claims
- 2720US4307048AMethod for lining an aluminum electrolytic cellSUMITOMO ALUMINIUM SMELTING CO·Filed 1980·Granted Dec 22, 1981·2 cites·5 claims
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