Inventor
LEE SANG-OH
KR35 patents
⚠️ This page may combine multiple inventors who share the name “LEE SANG-OH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUALCOMM INC
11 patentsUS8018269B2Sep 13, 2011
Fast-switching low-noise charge pump
QUALCOMM INC9 citations84
US7936220B2May 3, 2011
Techniques for improving amplifier linearity
QUALCOMM INC13 citations84
US7855610B2Dec 21, 2010
VCO capacitor bank trimming and calibration
QUALCOMM INC9 citations84
US8022780B2Sep 20, 2011
Auxiliary varactor for temperature compensation
QUALCOMM INC9 citations82
US7851947B2Dec 14, 2010
Methods and apparatuses for selectable voltage supply
QUALCOMM INC12 citations82
US9385650B2Jul 5, 2016
Transformer feedback voltage controlled oscillator (VCO)
QUALCOMM INC4 citations71
US7158760B1Jan 2, 2007
Frequency synthesizer with selectable preconfigured synthesizer characteristics
QUALCOMM INC3 citations62
US11600916B2Mar 7, 2023
Area-efficient balun
QUALCOMM INC0 citations60
US9024692B2May 5, 2015
Voltage controlled oscillator band-select fast searching using predictive searching
QUALCOMM INC0 citations51
US9356768B2May 31, 2016
Phase detecting circuit for interchain local oscillator (LO) divider phase alignment
QUALCOMM INC1 citations50
US11616517B2Mar 28, 2023
Multiband transmitter
QUALCOMM INC0 citations48
SAMSUNG ELECTRONICS CO LTD
4 patentsUS6844836B1Jan 18, 2005
Single-bit sigma-delta modulated fractional-N frequency synthesizer
SAMSUNG ELECTRONICS CO LTD33 citations92
US6392452B2May 21, 2002
Input buffer circuit for RF phase-locked loops
SAMSUNG ELECTRONICS CO LTD20 citations92
US6040722AMar 21, 2000
Power-on reset circuit with adjustable interval
SAMSUNG ELECTRONICS CO LTD23 citations92
US11600495B2Mar 7, 2023
Method of manufacturing semiconductor device
SAMSUNG ELECTRONICS CO LTD2 citations72
HYNIX SEMICONDUCTOR INC
4 patentsUS8012881B1Sep 6, 2011
Method for forming contact holes in semiconductor device
HYNIX SEMICONDUCTOR INC14 citations81
US7563688B2Jul 21, 2009
Method for fabricating capacitor in semiconductor device
HYNIX SEMICONDUCTOR INC3 citations62
US8354345B2Jan 15, 2013
Method for forming side contact in semiconductor device through self-aligned damascene process
HYNIX SEMICONDUCTOR INC1 citations52
US7557039B2Jul 7, 2009
Method for fabricating contact hole of semiconductor device
HYNIX SEMICONDUCTOR INC0 citations52