Inventor · disambiguated record
Weiqiang Zhang
Also filed as: ZHANG WEIQIANG
67 granted patents·16 pending applications·258 citations·filing 2001–2025
98Inventor score
Files withDELTA ELECTRONICS SHANGHAI CO33SUN MICROSYSTEMS INC11DELTA ELECTRONICS INC8ZHANG QI6IGO FURNITURE FOSHAN LTD5
Top patents by PatentIndex Score
83 records- 0192US11683900B2Power conversion systemDELTA ELECTRONICS SHANGHAI CO·Filed 2020·Granted Jun 20, 2023·2 cites·19 claims
- 0290US11496053B2Power conversion system with dc-bus pre-chargeDELTA ELECTRONICS INC·Filed 2021·Granted Nov 8, 2022·2 cites·13 claims
- 0389US10128832B2Converter system, driving circuit and method for semiconductor switchDELTA ELECTRONICS INC·Filed 2015·Granted Nov 13, 2018·8 cites·11 claims
- 0486US9800176B2TNPC inverter device and method for detecting short-circuit thereofDELTA ELECTRONICS SHANGHAI CO·Filed 2015·Granted Oct 24, 2017·7 cites·14 claims
- 0586US7165256B2Task grouping in a distributed processing framework system and methods for implementing the sameSUN MICROSYSTEMS INC·Filed 2001·Granted Jan 16, 2007·48 cites·20 claims
- 0685US11477920B2Power moduleDELTA ELECTRONICS SHANGHAI CO·Filed 2020·Granted Oct 18, 2022·1 cites·20 claims
- 0782US7266822B1System and method for controlling and managing computer farmsSUN MICROSYSTEMS INC·Filed 2002·Granted Sep 4, 2007·34 cites·17 claims
- 0882US2025266771A1Power supply unit and loop power supply systemDELTA ELECTRONICS SHANGHAI CO·Filed 2025·Application pending·0 cites
- 0980US7020699B2Test result analyzer in a distributed processing framework system and methods for implementing the sameSUN MICROSYSTEMS INC·Filed 2001·Granted Mar 28, 2006·30 cites·20 claims
- 1079US8917033B2Open circuit protecting circuit, open circuit protecting method and illuminating apparatusXU LIZHI·Filed 2012·Granted Dec 23, 2014·5 cites·17 claims
- 1177USD618927SChairIGO FURNITURE FOSHAN LTD·Filed 2009·Granted Jul 6, 2010·21 cites·1 claims
- 1275US9006988B2Method of controlling ignition circuit and ignition circuit using the sameZHANG QI·Filed 2011·Granted Apr 14, 2015·3 cites·17 claims
- 1374US9626907B2Driving circuit and organic light emitting display apparatusBOE TECHNOLOGY GROUP CO LTD·Filed 2014·Granted Apr 18, 2017·2 cites·16 claims
- 1473US2025259775A1Power moduleDELTA ELECTRONICS SHANGHAI CO·Filed 2025·Application pending·0 cites
- 1572US10917023B2Power conversion system and method for pre charging DC-Bus capacitors thereinDELTA ELECTRONICS INC·Filed 2019·Granted Feb 9, 2021·2 cites·8 claims
- 1671US12417876B2Circuit module and solid-state transformer systemDELTA ELECTRONICS SHANGHAI CO·Filed 2022·Granted Sep 16, 2025·0 cites·20 claims
- 1771US8937440B2Lighting device and voltage reduction method thereofDELTA ELECTRONICS SHANGHAI CO·Filed 2013·Granted Jan 20, 2015·3 cites·14 claims
- 1871US2023253888A9Power supply unit and loop power supply systemDELTA ELECTRONICS SHANGHAI CO·Filed 2022·Application pending·0 cites
- 1970US6842891B2Dynamic attributes for distributed test frameworkSUN MICROSYSTEMS INC·Filed 2001·Granted Jan 11, 2005·15 cites·20 claims
- 2069US10256739B2Multiunit power conversion systemDELTA ELECTRONICS SHANGHAI CO·Filed 2018·Granted Apr 9, 2019·2 cites·21 claims
- 2168US9013106B2Lamp ballast having filament heating apparatus for gas discharge lampZHANG WEIQIANG·Filed 2011·Granted Apr 21, 2015·2 cites·12 claims
- 2268US8742670B2Electronic ballastZHONG YAN·Filed 2012·Granted Jun 3, 2014·2 cites·20 claims
- 2368US8487550B2Multi-channel LED driver circuitZHANG WEIQIANG·Filed 2011·Granted Jul 16, 2013·2 cites·22 claims
- 2468US2025079070A1Power moduleDELTA ELECTRONICS SHANGHAI CO·Filed 2024·Application pending·0 cites
- 2567US8890424B2Illumination device, illumination system, and lampXU LIZHI·Filed 2012·Granted Nov 18, 2014·2 cites·23 claims
- 2667US7207040B2Multi-CPUs support with thread priority controlSUN MICROSYSTEMS INC·Filed 2002·Granted Apr 17, 2007·13 cites·12 claims
- 2766US7231437B2Task submission systems and methods for a distributed test frameworkSUN MICROSYSTEMS INC·Filed 2002·Granted Jun 12, 2007·12 cites·28 claims
- 2863US12424871B2Power supply system and power supply methodDELTA ELECTRONICS SHANGHAI CO·Filed 2023·Granted Sep 23, 2025·0 cites·20 claims
- 2963US11575312B2Insulation monitoring device applied to power system and power systemDELTA ELECTRONICS SHANGHAI CO·Filed 2020·Granted Feb 7, 2023·0 cites·17 claims
- 3063US2024215193A1Power moduleDELTA ELECTRONICS SHANGHAI CO·Filed 2023·Application pending·0 cites
- 3162US12132412B2Power supply apparatus, three-phase power supply system and control methodDELTA ELECTRONICS SHANGHAI CO·Filed 2022·Granted Oct 29, 2024·0 cites·19 claims
- 3262US7167894B1Self-contained tasksSUN MICROSYSTEMS INC·Filed 2002·Granted Jan 23, 2007·9 cites·16 claims
- 3362US2024038431A1Shielded insulating shell and electronic deviceDELTA ELECTRONICS SHANGHAI CO·Filed 2023·Application pending·0 cites
- 3461US12461137B2Shielding-type insulation detection structureDELTA ELECTRONICS SHANGHAI CO·Filed 2023·Granted Nov 4, 2025·0 cites·16 claims
- 3560US2025224437A1Insulation detection circuit and insulation detection methodDELTA ELECTRONICS SHANGHAI CO·Filed 2024·Application pending·0 cites
- 3660US2025035695A1Method and device for detecting and locating insulation state of conversion systemDELTA ELECTRONICS SHANGHAI CO·Filed 2024·Application pending·0 cites
- 3759US7257613B2Methods to develop remote applications with built in feedback ability for use in a distributed test frameworkSUN MICROSYSTEMS INC·Filed 2001·Granted Aug 14, 2007·7 cites·17 claims
- 3859US2025391604A1Electrolysis systemDELTA ELECTRONICS SHANGHAI CO·Filed 2025·Application pending·0 cites
- 3959US2024356427A1Cascaded power conversion system and power distribution method thereofDELTA ELECTRONICS SHANGHAI CO·Filed 2024·Application pending·0 cites
- 4058US12505952B2Insulation device and electrical device having the sameDELTA ELECTRONICS SHANGHAI CO·Filed 2022·Granted Dec 23, 2025·0 cites·24 claims
- 4158US11671093B2Driving device and control methodDELTA ELECTRONICS SHANGHAI CO·Filed 2022·Granted Jun 6, 2023·0 cites·23 claims
- 4257US12028969B2Carrier board and power module using sameDELTA ELECTRONICS SHANGHAI CO·Filed 2022·Granted Jul 2, 2024·0 cites·27 claims
- 4356US11757363B2Power module and power conversion deviceDELTA ELECTRONICS SHANGHAI CO·Filed 2021·Granted Sep 12, 2023·0 cites·17 claims
- 4454USD1052060SWater heaterJUNSKY APPLIANCES LTD·Filed 2022·Granted Nov 19, 2024·1 cites·1 claims
- 4554US7243137B2Remote system controller and data center and methods for implementing the sameSUN MICROSYSTEMS INC·Filed 2001·Granted Jul 10, 2007·4 cites·21 claims
- 4654US7191362B2Parsing test results having diverse formatsSUN MICROSYSTEMS INC·Filed 2002·Granted Mar 13, 2007·4 cites·16 claims
- 4753US11350519B2Power moduleDELTA ELECTRONICS SHANGHAI CO·Filed 2021·Granted May 31, 2022·0 cites·18 claims
- 4853US11245259B2Power supply systemDELTA ELECTRONICS INC·Filed 2020·Granted Feb 8, 2022·0 cites·17 claims
- 4952US12262492B2Compressing structure, power module and a method for compressing a component inside a chamberDELTA ELECTRONICS SHANGHAI CO·Filed 2023·Granted Mar 25, 2025·0 cites·15 claims
- 5052US12027985B2Power conversion system with N power convertersDELTA ELECTRONICS SHANGHAI CO·Filed 2021·Granted Jul 2, 2024·0 cites·16 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Weiqiang Zhang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →