Inventor
HARATO TAKUO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “HARATO TAKUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ALUMINIUM SMELTING CO
9 patentsUS4426363AJan 17, 1984
Process for extracting alumina from aluminous ores
SUMITOMO ALUMINIUM SMELTING CO48 citations91
US4364919ADec 21, 1982
Process for producing coarse grains of aluminum hydroxide
SUMITOMO ALUMINIUM SMELTING CO30 citations91
US4311486AJan 19, 1982
Process for producing coarse grains of aluminum hydroxide
SUMITOMO ALUMINIUM SMELTING CO32 citations91
US4215094AJul 29, 1980
Method for the removal of organic substances from alkali metal aluminate solution
SUMITOMO ALUMINIUM SMELTING CO45 citations89
US4201749AMay 6, 1980
Method for the separation of precipitated aluminum hydroxide from sodium aluminate solution
SUMITOMO ALUMINIUM SMELTING CO11 citations73
US4128618ADec 5, 1978
Process for extracting alumina from alumina-containing ores
SUMITOMO ALUMINIUM SMELTING CO7 citations72
US4421615ADec 20, 1983
Process for producing metallic gallium
SUMITOMO ALUMINIUM SMELTING CO7 citations71
US4263261AApr 21, 1981
Method for the removal of impurities from sodium aluminate solution
SUMITOMO ALUMINIUM SMELTING CO6 citations62
US4222992ASep 16, 1980
Process for the removal of sulfur oxides from exhaust gases using slurry of red mud containing calcium ion
SUMITOMO ALUMINIUM SMELTING CO6 citations61
SUMITOMO CHEMICAL CO
4 patentsUS5302368AApr 12, 1994
Process for preparation of alumina
SUMITOMO CHEMICAL CO80 citations93
US5833865ANov 10, 1998
Sedimentation type solid-liquid separator
SUMITOMO CHEMICAL CO33 citations90
US6299846B1Oct 9, 2001
Process for producing aluminum hydroxide from alumina-containing ore
SUMITOMO CHEMICAL CO13 citations73
US5545384AAug 13, 1996
Process for production of aluminum hydroxide from ore containing alumina
SUMITOMO CHEMICAL CO14 citations69