Inventor
AIHARA KENJI
JP10 patents
Patents
10 patentsUS5080727AJan 14, 1992
Metallic material having ultra-fine grain structure and method for its manufacture
SUMITOMO METAL IND104 citations94
US6126897AOct 3, 2000
Carburizing steel and steel products manufactured making use of the carburizing steel
SUMITOMO METAL IND23 citations92
US5853502ADec 29, 1998
Carburizing steel and steel products manufactured making use of the carburizing steel
SUMITOMO METAL IND38 citations92
US4545227AOct 8, 1985
Apparatus for dry type continuous wire drawing
SUMITOMO METAL IND34 citations89
US4525598AJun 25, 1985
Steel wire for use in stranded steel core of an aluminum conductor, steel reinforced and production of same
SUMITOMO METAL IND31 citations87
US4240827ADec 23, 1980
Nonmagnetic alloy steel having improved machinability
SUMITOMO METAL IND22 citations81
US4834345AMay 30, 1989
Process and apparatus for direct softening heat treatment of rolled wire rods
SUMITOMO METAL IND6 citations71
US4604146AAug 5, 1986
Process for manufacturing high tensile steel wire
SUMITOMO METAL IND12 citations67
US4604145AAug 5, 1986
Process for production of steel bar or steel wire having an improved spheroidal structure of cementite
SUMITOMO METAL IND14 citations66
US4881987ANov 21, 1989
Process for direct softening heat treatment of rolled wire rods
SUMITOMO METAL IND4 citations60