Inventor
CHEN JIWEI
US26 patents
⚠️ This page may combine multiple inventors who share the name “CHEN JIWEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUALCOMM INC
8 patentsUS11791721B2Oct 17, 2023
Multi-mode DC-to-DC power converter
QUALCOMM INC6 citations73
US10374514B2Aug 6, 2019
Boost converters having self-adaptive maximum duty-cycle-limit control
QUALCOMM INC2 citations71
US9780657B2Oct 3, 2017
Circuits and methods for controlling a boost switching regulator based on inductor current
QUALCOMM INC2 citations71
US11606032B2Mar 14, 2023
Adaptive combination power supply circuit and charging architecture
QUALCOMM INC3 citations70
US11601051B2Mar 7, 2023
Connection terminal pattern and layout for three-level buck regulator
QUALCOMM INC2 citations69
US12512757B2Dec 30, 2025
Power supply circuit with power supply rails independently monitored for load attacks
QUALCOMM INC0 citations53
US9729061B2Aug 8, 2017
Boost regulator having adaptive dead time
QUALCOMM INC1 citations51
US9755515B2Sep 5, 2017
Switching regulator current sensing circuits and methods
QUALCOMM INC0 citations40
O2MICRO INT LTD
4 patentsUS7615965B2Nov 10, 2009
Power management system
O2MICRO INT LTD65 citations95
US7508176B2Mar 24, 2009
Controller for a DC to DC converter having linear mode and switch mode capabilities
O2MICRO INT LTD24 citations91
US7791469B2Sep 7, 2010
Short range wireless tracking and event notification system for portable devices
O2MICRO INT LTD7 citations73
US7769359B2Aug 3, 2010
Adaptive wireless receiver
O2MICRO INT LTD3 citations61
WINBOND ELECTRONICS CORP
3 patentsUS7071779B2Jul 4, 2006
Monolithic CMOS differential LNA with enhanced linearity
WINBOND ELECTRONICS CORP22 citations92
US7196592B2Mar 27, 2007
VCO circuit with broad tuning range and amplitude control
WINBOND ELECTRONICS CORP17 citations84
US7081787B2Jul 25, 2006
Analog circuit for calculating square and reciprocal of a current
WINBOND ELECTRONICS CORP3 citations62
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD
2 patentsUS12482135B2Nov 25, 2025
Camera calibration method and apparatus, computer device, storage medium, and program product
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD0 citations62
US12259718B2Mar 25, 2025
Debugging method and apparatus for production line devices and production line system
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD0 citations51
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
2 patentsBEIJING XIAOMI MOBILE SOFTWARE CO LTD
2 patentsFUJIAN KUNCAI MATERIAL TECH CO LTD
2 patentsUS10059845B2Aug 28, 2018
Method for preparing pearlescent pigment from ilmenite hydrochloric acid acidolysis solution by co-extraction
FUJIAN KUNCAI MATERIAL TECH CO LTD1 citations42
US10377639B2Aug 13, 2019
Preparation method for directly synthesizing titanium dioxide from titanium-rich organic phase prepared from ilmenite
FUJIAN KUNCAI MATERIAL TECH CO LTD0 citations32