Inventor

CHOI KYU-DON

KR4 patents

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

SAMSUNG ELECTRONICS CO LTD

2 patents

US7274317B2Sep 25, 2007

Transmitter using vertical BJT

SAMSUNG ELECTRONICS CO LTD2 citations61

US7983639B2Jul 19, 2011

RF filter and digital broadcast receiving tuner and RF signal processing device using RF filter

SAMSUNG ELECTRONICS CO LTD2 citations60

IRON DEVICE CORP

1 patent

US11284192B2Mar 22, 2022

Speaker driver and operation method thereof

IRON DEVICE CORP4 citations67

CURITEL COMM INC

1 patent

US6930671B2Aug 16, 2005

Method for dynamically lightening backlights of mobile communications terminal

CURITEL COMM INC6 citations57