Inventor

LEE SANG DEOK

KR3 patents

⚠️ This page may combine multiple inventors who share the name “LEE SANG DEOK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PO HANG IRON & STEEL

2 patents

US5989309ANov 23, 1999

Method for injecting fine iron ore in smelting reducing process

PO HANG IRON & STEEL10 citations70

US6224650B1May 1, 2001

Apparatus for manufacturing molten iron by using calcination furnace, and manufacturing method therefor

PO HANG IRON & STEEL0 citations45

LEE CHONG-KUN

1 patent

US8625095B2Jan 7, 2014

Automatic inspection apparatus for detecting stains on polarizing plate using color difference analysis and inspection method thereof

LEE CHONG-KUN5 citations62