Inventor

KIM PIL SUNG

KR8 patents

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

KOREA KUMHO PETROCHEM CO LTD

4 patents

US6586542B2Jul 1, 2003

Process for controlling degree of branch of high 1,4-cis polybutadiene

KOREA KUMHO PETROCHEM CO LTD9 citations72

US6252021B1Jun 26, 2001

Process for producing polyisobutene using a catalytic system comprising transition metal-benzene derivative compound-methylaluminoxane

KOREA KUMHO PETROCHEM CO LTD9 citations68

US7247695B2Jul 24, 2007

High 1,4-cis polybutadiene-polyurethane copolymer and preparation method thereof

KOREA KUMHO PETROCHEM CO LTD4 citations61

US6562917B2May 13, 2003

Method for preparing polybutadiene having controlled molecular weight and high 1,4-cis content

KOREA KUMHO PETROCHEM CO LTD4 citations61

HYUNDAI ELECTRONICS IND

1 patent

US6319806B1Nov 20, 2001

Integrated circuit wiring and fabricating method thereof

HYUNDAI ELECTRONICS IND6 citations60

KOREAKUMHO PETROCHEMICAL CO LT

1 patent

US6908975B2Jun 21, 2005

Method for preparing high 1,4-cis polybutadiene having controlled cold flow

KOREAKUMHO PETROCHEMICAL CO LT6 citations56

KWAG GWANG HOON

1 patent

US8198378B2Jun 12, 2012

Aromatic organosulfur functionalized 1,4-cis polybutadiene

KWAG GWANG HOON1 citations46

ELEVEN STREET CO LTD

1 patent

US11200579B2Dec 14, 2021

Apparatus for authentication and payment based on web, method for authentication and payment based on web, system for authentication and payment based on web and non-transitory computer readable storage medium having computer program recorded thereon

ELEVEN STREET CO LTD0 citations45