Inventor
CHUNG JONG-KWON
KR4 patents
Patents
4 patentsUS10294550B2May 21, 2019
Heat resistant spheroidal graphite cast iron, method of manufacturing the same and engine exhaust system part including the same
DOOSAN INFRACORE CO LTD1 citations57
US10030289B2Jul 24, 2018
Spheroidal graphite cast iron for an engine exhaust system
DOOSAN INFRACORE CO LTD1 citations46
US9689059B2Jun 27, 2017
High strength flake graphite cast iron having excellent workability and preparation method thereof
DOOSAN INFRACORE CO LTD0 citations45
US9719157B2Aug 1, 2017
High-strength flake graphite cast iron, manufacturing method thereof, and engine body for internal combustion engine including cast iron
DOOSAN INFRACORE CO LTD1 citations44