Inventor

OH CHANG HWAN

KR8 patents

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

HYUNDAI MOTOR CO LTD

2 patents

US11746981B2Sep 5, 2023

Multi-faceted reflective hidden lighting lamp and vehicle thereof

HYUNDAI MOTOR CO LTD0 citations61

US11788691B2Oct 17, 2023

Hidden lighting lamp using color conversion materials and vehicles having same

HYUNDAI MOTOR CO LTD0 citations50

SAMSUNG ELECTRONICS CO LTD

1 patent

US6141642AOct 31, 2000

Text-to-speech apparatus and method for processing multiple languages

SAMSUNG ELECTRONICS CO LTD240 citations96

SECUBAY CORP

1 patent

US6679421B2Jan 20, 2004

Integrated customer management system and method using wireless barcode

SECUBAY CORP130 citations92

SL SEOBONG

1 patent

US7926992B2Apr 19, 2011

Lamp shield driving device and headlamp assembly including the same

SL SEOBONG16 citations82

PANTECH & CURITEL COMM INC

1 patent

US7739190B2Jun 15, 2010

Electronic settlement system, electronic settlement method and cash paying method using LCD barcode displayed on mobile terminal

PANTECH & CURITEL COMM INC10 citations82

NAT UNIV GYEONGSANG IACF

1 patent

US12308231B1May 20, 2025

Method for controlling surface characteristics and thickness of multilayer transition metal dichalcogenide thin film

NAT UNIV GYEONGSANG IACF0 citations61

SHIN YOUNG-CHEOL

1 patent

US8341079B2Dec 25, 2012

Electronic settlement system, electronic settlement method and cash paying method using LCD barcode displayed on mobile terminal

SHIN YOUNG-CHEOL1 citations43