Inventor

PARK CHAN-SU

KR4 patents

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

SAMSUNG ELECTRONICS CO LTD

2 patents

US9651894B2May 16, 2017

Developer cartridge and electrophotographic image forming apparatus including the same

SAMSUNG ELECTRONICS CO LTD0 citations50

US8355649B2Jan 15, 2013

Developing device and image forming apparatus using the same

SAMSUNG ELECTRONICS CO LTD0 citations46

HANSOL CHEMICAL CO LTD

1 patent

US12371520B2Jul 29, 2025

Copolymer dispersant and dispersion using same

HANSOL CHEMICAL CO LTD0 citations50

KWANGJUN ENGINEERING CO LTD

1 patent

US7754158B2Jul 13, 2010

Filter assembly for air purifier

KWANGJUN ENGINEERING CO LTD0 citations35