Gyeonggi-do
South Korea
4
2017-03-16
The entities that hold a legal rights for patent applications filed by inventor CHUNG Jong Kwon:
Jong Kwon CHUNG from Gyeonggi-do, KR has applied for patents for these inventions. The list has both pending applications and granted patents:
Heat resistant spheroidal graphite cast iron, method of manufacturing the same and engine exhaust system part including the same
#2 | 2017-01-19Spheroidal graphite cast iron for an engine exhaust system
#3 | 2015-12-24High-strength flake graphite cast iron, manufacturing method thereof, and engine body for internal combustion engine including cast iron
#4 | 2014-09-25High strength flake graphite cast iron having excellent workability and preparation method thereof
911551 ⎘