Inventor
HIRAKI SEI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “HIRAKI SEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO METAL IND
5 patentsUS6726782B2Apr 27, 2004
Ultra-low carbon steel sheet
SUMITOMO METAL IND13 citations79
US7086450B2Aug 8, 2006
Continuous casting method, continuous casting apparatus and continuously cast steel slab
SUMITOMO METAL IND8 citations73
US5871040AFeb 16, 1999
Process for continuously casting thin slabs
SUMITOMO METAL IND9 citations70
US7247211B2Jul 24, 2007
Method of manufacture of ultra-low carbon steel
SUMITOMO METAL IND0 citations47
US8033319B2Oct 11, 2011
Method for continuous casting of steel and electromagnetic stirrer to be used therefor
SUMITOMO METAL IND0 citations45
TOSHIBA CERAMICS CO
3 patentsUS5961874AOct 5, 1999
Flat formed submerged entry nozzle for continuous casting of steel
TOSHIBA CERAMICS CO19 citations89
US5992711ANov 30, 1999
Integrated submerged entry nozzle and its manufacture
TOSHIBA CERAMICS CO18 citations80
US4640336AFeb 3, 1987
Refractory for continuous casting
TOSHIBA CERAMICS CO12 citations70