Inventor
SONG CHAO
US34 patents
⚠️ This page may combine multiple inventors who share the name “SONG CHAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUALCOMM INC
20 patentsUS10545523B1Jan 28, 2020
Adaptive gate-biased field effect transistor for low-dropout regulator
QUALCOMM INC29 citations93
US11177819B1Nov 16, 2021
Power and area efficient digital-to-time converter with improved stability
QUALCOMM INC7 citations83
US11626883B2Apr 11, 2023
Power and area efficient digital-to-time converter with improved stability
QUALCOMM INC4 citations73
US10431540B1Oct 1, 2019
Metal-oxide-metal capacitor with reduced parasitic capacitance
QUALCOMM INC4 citations73
US11533058B2Dec 20, 2022
Digital phase-frequency detector with split control loops for low jitter and fast locking
QUALCOMM INC5 citations72
US10269490B2Apr 23, 2019
Metal-oxide-metal capacitor using vias within sets of interdigitated fingers
QUALCOMM INC3 citations71
US9755575B1Sep 5, 2017
Variable frequency RC oscillator
QUALCOMM INC5 citations71
US11302773B2Apr 12, 2022
Back-end-of-line integrated metal-insulator-metal capacitor
QUALCOMM INC0 citations62
US10972068B2Apr 6, 2021
Process-invariant delay cell
QUALCOMM INC0 citations62
US10896949B2Jan 19, 2021
Inductor/transformer with closed ring
QUALCOMM INC0 citations62
US10861793B2Dec 8, 2020
Guard ring frequency tuning
QUALCOMM INC1 citations62
US10629523B2Apr 21, 2020
Via-based vertical capacitor and resistor structures
QUALCOMM INC1 citations62
US10553531B2Feb 4, 2020
Process-invariant resistor and capacitor pair
QUALCOMM INC1 citations62
US11004784B2May 11, 2021
Metal-on-metal capacitor
QUALCOMM INC0 citations52
US10665370B2May 26, 2020
Co-wound resistor
QUALCOMM INC0 citations52
US10629590B2Apr 21, 2020
Stacked resistor-capacitor delay cell
QUALCOMM INC0 citations52
US9851740B2Dec 26, 2017
Systems and methods to provide reference voltage or current
QUALCOMM INC0 citations52
US10312891B1Jun 4, 2019
Variation tracking and compensating for small capacitor
QUALCOMM INC0 citations51
US10651268B2May 12, 2020
Metal-oxide-metal capacitor with improved alignment and reduced capacitance variance
QUALCOMM INC0 citations41
US10600569B2Mar 24, 2020
Finger metal-on-metal capacitor containing negative capacitance material
QUALCOMM INC0 citations41