Inventor

Qian Ouyang

Inventor

Hangzhou, CN

Overview

2011–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 50 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Mprimary

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems48%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications12%

G06FElectric digital data processing8%

G05FSystems for regulating electric or magnetic variables7%

H02HEmergency protective circuit arrangements6%

H02JElectric power networks3%

H03KPulse technique3%

Y02PClimate change mitigation technologies in the production or processing of goods3%

G05BControl or regulating systems in general2%

G01RMeasuring electric variables1%

PatentTitleYear

10,950,674Display panel2021 10,790,737Current threshold regulation method used in switching converters2020 10,782,718System and method for automatically testing voltage regulators2020 10,762,216Anti-theft in firmware2020 10,725,938Voltage regulator and associated auto-loop regulation system and method2020 10,620,677Autonomous power system and associated control method2020 10,468,973Over current protecting circuit and the method thereof2019 10,425,013Resonant converter with improved light load efficiency and the method thereof2019 10,348,197DC-DC converter with transient control and the method thereof2019 10,348,115Power supply circuit for computing platform2019 10,263,528Resonant converter with adaptive switching frequency and the method thereof2019 10,186,975Resonant converter with adaptive on-time control and the method thereof2019 10,110,037Battery charging circuit, control circuit and associated control method2018 10,003,189Parallel-connected semiconductor devices with current sharing technology and control method thereof2018 9,966,851Buck-boost converter, the control circuit and the method thereof2018 9,941,781Multi-rail switching converter, control circuit and associated control method2018 9,923,463'Constant on-time switching converter with reference voltage adjusting circuit and controller thereof'2018 9,824,226'Anti-theft in firmware'2017 9,716,432'Switching converter with constant on-time controller thereof'2017 9,660,534'Control circuit for multiphase switching converter to reduce overshoot and associated control method'2017 9,653,992'Constant on-time switching converter with adaptive ramp compensation and control method thereof'2017 9,559,586'Switch mode power supply, control circuit and associated control method'2017 9,520,778'Constant on-time switching converters with ultrasonic mode determination circuit and control methods thereof'2016 9,496,792'Controller with thermal balance and control method thereof for multi-phase switching converters'2016 9,479,043'Control circuit with synchronization unit for switching converter and associated control method'2016 9,448,828'Methods and apparatus to provide dynamic messaging services'2016 9,425,688'Converter circuit and associated method'2016 9,362,824'Constant on-time control switching converter with DC calibration and control circuit and method thereof'2016 9,356,510'Constant on-time switching converter and control method thereof'2016 9,350,340'Power loss control method for metal-oxide-semiconductor unit and associated apparatus'2016 9,312,771'Single inductor multiple output buck converter and control method thereof'2016 9,306,451'Switch mode power supply control circuit to reduce overshoot of an output voltage'2016 9,270,178'Digital controllers and digital control methods of multi-phase switching converters'2016 9,263,876'Multi-phase switching converter with over current protection and control method thereof'2016 9,236,801'Switch mode power supply, control circuit and associated control method'2016 9,081,397'Constant on time multi-phase switching converter and control method thereof'2015 9,071,142'Multi-phase SMPS with load transient control and associated control method'2015 9,041,373'Constant on-time switching converters with sleep mode and control methods thereof'2015 8,922,177'Multiphase converter with controllable phase shift'2014 8,917,073'Cot converter with controlled frequency and associated method'2014 8,896,278'Multi-phase switching converter with overlap mode and control method thereof'2014 8,832,494'Methods and apparatus for displaying video despite a nonfunctional operating system'2014 8,786,622'Methods and apparatus to provide dynamic messaging services'2014 8,773,090'Voltage regulator with adaptive hysteretic control'2014 8,749,216'Constant on-time converter with stabilizing operation and method thereof'2014 8,400,129'Adaptive constant on-time switching regulator'2013 8,395,368'Adaptive voltage position DC-DC regulators and the method thereof'2013 8,289,007'Power converters and methods for converting an input signal to an output voltage'2012 8,198,880'Constant on-time converter and the method of operation'2012 7,880,522'Double-edge PWM controller and its control method thereof'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2020Patents assigned to MONOLITHIC POWER SYSTEMS INC (11)· patent assignee history

2011–2020Based in Hangzhou, CN· patent location history

2012–2016Patents assigned to OUYANG QIAN (10)· patent assignee history

2014–2020Patents assigned to CHENGDU MONOLITHIC POWER SYS (31)· patent assignee history

2014–2020Patents assigned to INTEL CORP (5)· patent assignee history

2014–2020Based in Shanghai, CN· patent location history

2018–2020Patents assigned to HANGZHOU MPS SEMICONDUCTOR TECH LTD (2)· patent assignee history

2020Based in Chengdu, CN· patent location history

2021Based in Wuhan, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHENGDU MONOLITHIC POWER SYS	31	2014–2020
MONOLITHIC POWER SYSTEMS INC	11	2011–2020
OUYANG QIANself	10	2012–2016
INTEL CORP	5	2014–2020
HANGZHOU MPS SEMICONDUCTOR TECH LTD	2	2018–2020

Locations

Location	Patents	Span
Hangzhou, CN	43	2011–2020
Shanghai, CN	5	2014–2020
Wuhan, CN	1	2021
Chengdu, CN	1	2020