Inventor

CHOI NAMSUN

KR8 patents

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

KOREA KUMHO PETROCHEM CO LTD

2 patents

US8048821B2Nov 1, 2011

Catalyst composition for the synthesis of thin multi-walled carbon nanotube and its manufacturing method

KOREA KUMHO PETROCHEM CO LTD10 citations82

US6756448B2Jun 29, 2004

Styrene copolymer

KOREA KUMHO PETROCHEM CO LTD3 citations60

RYU SANG-HYO

1 patent

US9006132B2Apr 14, 2015

Process for preparing catalyst composition for the synthesis of carbon nanotube with high yields using the spray pyrolysis method

RYU SANG-HYO4 citations70

KIM DONG HWAN

1 patent

US8137591B2Mar 20, 2012

Catalyst for preparing carbon nanotube comprising multi-component support materials containing amorphous silicon particles and the bulk scale preparation of carbon nanotube using the same

KIM DONG HWAN2 citations60

KOREA KUMHO PETROCHEMICAL CO LTD

1 patent

US12116482B2Oct 15, 2024

Racing tire rubber composition and method for manufacturing same

KOREA KUMHO PETROCHEMICAL CO LTD0 citations58

CHOI NAMSUN

1 patent

US8398894B2Mar 19, 2013

Catalyst for preparing carbon nanotubes by controlling its apparent density

CHOI NAMSUN3 citations55

DISCO CORP

1 patent

US12300546B2May 13, 2025

Wafer dividing method

DISCO CORP0 citations49

SUNG HYUN-KYUNG

1 patent

US8202818B2Jun 19, 2012

Catalyst composition for preparing carbon nanotube

SUNG HYUN-KYUNG1 citations44