Inventor

Heping Dai

Inventor

Plano, TX, US

Overview

2001–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 58 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 systems36%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications32%

Y02PClimate change mitigation technologies in the production or processing of goods7%

H02JElectric power networks5%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%

G05FSystems for regulating electric or magnetic variables4%

H02SGeneration of electric power by conversion of infrared radiation, visible light or ultraviolet light, e.g. using photovoltaic [pv] modules2%

H01FMagnets1%

H02HEmergency protective circuit arrangements1%

B23PMetal-working not otherwise provided for1%

PatentTitleYear

11,081,748Packaging material for power storage device2021 10,867,745Inductor structure and method for forming the same2020 10,819,242Modular voltage converter2020 10,686,378High-efficiency regulated buck-boost converter2020 10,673,246System and device for exporting power, and method of configuring thereof2020 10,665,743Distributed/central optimizer architecture2020 10,651,735Series stacked DC-DC converter with serially connected DC power sources and capacitors2020 10,644,607Auxiliary power supply apparatus and method for isolated power converters2020 10,615,701Hybrid resonant converter2020 10,566,908Power converter with wide DC voltage range2020 10,554,141Parallel hybrid converter apparatus and method2020 10,554,130Control method for buck-boost power converters2020 10,554,050Method and apparatus for controlling solar power systems2020 10,536,002Power systems with inverter input voltage control2020 10,476,395Voltage converting system and method of using the same2019 10,476,372Buck-boost power converter and method of operation thereof2019 10,361,626Multi-level power factor correction circuit using hybrid devices2019 10,340,807Gate drive apparatus for resonant converters2019 10,333,410Common-mode (CM) electromagnetic interference (EMI) reduction in resonant converters2019 10,333,314Multiple buck stage single boost stage optimizer2019 10,284,097Apparatus and efficiency point tracking method for high efficiency resonant converters2019 10,224,827Power converter with wide DC voltage range2019 10,199,947Isolated partial power processing power converters2019 10,177,661Control method for buck-boost power converters2019 10,164,544Isolated partial power converter2018 10,135,350AC/DC converters with wider voltage regulation range2018 10,116,219Apparatus and efficiency point tracking method for high efficiency resonant converters2018 10,097,109Three-level voltage bus apparatus and method2018 9,998,018Resonant converters and methods2018 9,977,455Method and apparatus for filtering a rectified voltage2018 9,973,099AC/DC converters with wider voltage regulation range2018 9,923,451'Method and apparatus for filtering a rectified voltage signal'2018 9,876,435Gate drive apparatus for resonant converters2018 9,812,977'Resonant converters with an improved voltage regulation range'2017 9,812,968'Zero voltage switching detection apparatus and method'2017 9,793,810'Control method for zero voltage switching buck-boost power converters'2017 9,787,200'Resonant converters with synchronous rectifier feedback'2017 9,774,271'Apparatus and method for multiple primary bridge resonant converters'2017 9,712,063'Apparatus and method for loosely regulated power converters'2017 9,614,453'Parallel hybrid converter apparatus and method'2017 9,595,877'Secondary side hybrid converter apparatus and method'2017 9,515,562'LLC resonant converters'2016 9,484,821'Adjustable resonant apparatus for power converters'2016 9,479,073'Gate drive apparatus for resonant converters'2016 9,467,054'Current sensing apparatus for resonant tank in an LLC resonant converter'2016 9,467,057'Resonant converters and methods'2016 9,461,554'Hybrid converter using a resonant stage and a non-isolated stage'2016 9,444,346'Apparatus and efficiency point tracking method for high efficiency resonant converters'2016 9,436,192'Apparatus for PWM gate drive circuit'2016 9,350,260'Startup method and system for resonant converters'2016 9,337,743'Apparatus and method for multiple primary bridge resonant converters'2016 9,281,752'Resonant converters with synchronous rectifier feedback'2016 9,190,911'Auxiliary resonant apparatus for LLC converters'2015 9,178,440'Apparatus and method for resonant converters'2015 9,178,438'Apparatus for resonant converters'2015 9,077,255'Resonant converters and methods'2015 6,917,503'Programmable current limiting using a shunt resistor'2005 6,310,410'Method and apparatus for reducing source voltage deviation in hot plug applications'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2005Patents assigned to TEXAS INSTRUMENTS INC (2)· patent assignee history

2001Based in Dallas, TX, US· patent location history

2005–2020Based in Plano, TX, US· patent location history

2015–2020Patents assigned to FUTUREWEI TECHNOLOGIES INC (55)· patent assignee history

2019–2020Patents assigned to UNIV FLORIDA (2)· patent assignee history

2021Patents assigned to TOPPAN PRINTING CO LTD (1)· patent assignee history

2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUTUREWEI TECHNOLOGIES INC	55	2015–2020
TEXAS INSTRUMENTS INC	2	2001–2005
UNIV FLORIDA	2	2019–2020
TOPPAN PRINTING CO LTD	1	2021

Locations

Location	Patents	Span
Plano, Texas, US	56	2005–2020
Tokyo, JP	1	2021
Dallas, Texas, US	1	2001