Inventor

KIM HYUNG ROK

KR4 patents

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

SAMSUNG ELECTRONICS CO LTD

2 patents

US6617478B2Sep 9, 2003

Process for preparing a 1,3-alkandiol from 3-hydroxyester

SAMSUNG ELECTRONICS CO LTD5 citations60

US6617477B2Sep 9, 2003

Process for preparing 1,3-alkanediols from 3-hydroxyesters

SAMSUNG ELECTRONICS CO LTD3 citations59

ACKYUNG PETROCHEMICAL CO LTD

1 patent

US7427579B2Sep 23, 2008

Hydrogenation catalyst, preparation thereof, and method for the preparation of gamma-butyrolactone from maleic anhydride using the catalyst

ACKYUNG PETROCHEMICAL CO LTD4 citations48

CHANG TAE SUN

1 patent

US8530532B2Sep 10, 2013

Hydrogel contact lenses having improved wettability

CHANG TAE SUN1 citations42