Inventor
JI PENGKAI
CN44 patents
⚠️ This page may combine multiple inventors who share the name “JI PENGKAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DELTA ELECTRONICS SHANGHAI CO
33 patentsUS11664157B2May 30, 2023
Magnetic element and method for manufacturing same
DELTA ELECTRONICS SHANGHAI CO10 citations85
US11676756B2Jun 13, 2023
Coupled inductor and power supply module
DELTA ELECTRONICS SHANGHAI CO4 citations74
US11227856B2Jan 18, 2022
Multi-chip package power module
DELTA ELECTRONICS SHANGHAI CO2 citations73
US12002615B2Jun 4, 2024
Magnetic element, manufacturing method of magnetic element, and power module
DELTA ELECTRONICS SHANGHAI CO2 citations72
US10242791B2Mar 26, 2019
Coupled-inductor module and voltage regulating module comprising the same
DELTA ELECTRONICS SHANGHAI CO2 citations71
US10438736B2Oct 8, 2019
Magnetic component and manufacturing method thereof
DELTA ELECTRONICS SHANGHAI CO5 citations68
US12283412B2Apr 22, 2025
Manufacturing method of magnetic element
DELTA ELECTRONICS SHANGHAI CO1 citations63
US12211827B2Jan 28, 2025
Power supply system and power supply module
DELTA ELECTRONICS SHANGHAI CO0 citations62
US11978584B2May 7, 2024
Magnetic element and method for manufacturing same
DELTA ELECTRONICS SHANGHAI CO0 citations62
US11901113B2Feb 13, 2024
Inversely coupled inductor and power supply module
DELTA ELECTRONICS SHANGHAI CO0 citations62
US11876084B2Jan 16, 2024
Power supply system
DELTA ELECTRONICS SHANGHAI CO0 citations62
US11621254B2Apr 4, 2023
Power supply system
DELTA ELECTRONICS SHANGHAI CO0 citations62
US11419214B2Aug 16, 2022
Power supply module used in a smart terminal and power supply module assembly structure
DELTA ELECTRONICS SHANGHAI CO0 citations62
US11399438B2Jul 26, 2022
Power module, chip-embedded package module and manufacturing method of chip-embedded package module
DELTA ELECTRONICS SHANGHAI CO0 citations62
US11316438B2Apr 26, 2022
Power supply module and manufacture method for same
DELTA ELECTRONICS SHANGHAI CO0 citations62
US11271396B2Mar 8, 2022
System of providing power to chip on mainboard
DELTA ELECTRONICS SHANGHAI CO0 citations62
US11063525B2Jul 13, 2021
Power supply module and manufacture method for same
DELTA ELECTRONICS SHANGHAI CO1 citations62
US10856417B2Dec 1, 2020
Power supply module used in a smart terminal and power supply module assembly structure
DELTA ELECTRONICS SHANGHAI CO1 citations62
US12562305B2Feb 24, 2026
Magnetic element, method for manufacturing magnetic element, and power supply module
DELTA ELECTRONICS SHANGHAI CO0 citations52
US12288642B2Apr 29, 2025
Fabrication method for an inductor with a vertical vinding and injection molding tooling thereof
DELTA ELECTRONICS SHANGHAI CO0 citations52
US12073979B2Aug 27, 2024
Multi-phase coupled inductor and manufacturing method thereof
DELTA ELECTRONICS SHANGHAI CO0 citations52
US12058814B2Aug 6, 2024
Power module and manufacturing method thereof
DELTA ELECTRONICS SHANGHAI CO0 citations52
US11495521B2Nov 8, 2022
Power module and method for manufacturing the same
DELTA ELECTRONICS SHANGHAI CO0 citations52
US11320879B2May 3, 2022
Power supply module and electronic device
DELTA ELECTRONICS SHANGHAI CO0 citations52
US12518916B2Jan 6, 2026
Magnetic element and manufacturing method thereof
DELTA ELECTRONICS SHANGHAI CO0 citations51
US11277912B2Mar 15, 2022
System of providing power
DELTA ELECTRONICS SHANGHAI CO0 citations51
US11133750B2Sep 28, 2021
Power module
DELTA ELECTRONICS SHANGHAI CO0 citations51
US12224098B2Feb 11, 2025
Multi-phase coupled inductor, multi-phase coupled inductor array and two-phase inverse coupled inductor
DELTA ELECTRONICS SHANGHAI CO0 citations50
US12469631B2Nov 11, 2025
Power supply module
DELTA ELECTRONICS SHANGHAI CO0 citations49
US12131861B2Oct 29, 2024
Power module, power supply system and multi-phase inverse-coupled inductor
DELTA ELECTRONICS SHANGHAI CO0 citations49
US11855550B2Dec 26, 2023
Power supply module
DELTA ELECTRONICS SHANGHAI CO0 citations49
US12094802B2Sep 17, 2024
Data processing device
DELTA ELECTRONICS SHANGHAI CO0 citations47
US11812545B2Nov 7, 2023
Power supply system and electronic device
DELTA ELECTRONICS SHANGHAI CO0 citations46
DELTA ELECTRONICS INC
8 patentsUS10062499B2Aug 28, 2018
Power module and magnetic component thereof
DELTA ELECTRONICS INC9 citations83
US11277067B2Mar 15, 2022
Power module and manufacturing method thereof
DELTA ELECTRONICS INC2 citations73
US10447166B2Oct 15, 2019
Power module
DELTA ELECTRONICS INC3 citations72
US11245214B2Feb 8, 2022
Connector, method for manufacturing connector and signal pin assembly
DELTA ELECTRONICS INC0 citations62
US10249550B2Apr 2, 2019
Power module with lead component and manufacturing method thereof
DELTA ELECTRONICS INC1 citations62
US11437910B2Sep 6, 2022
Power module
DELTA ELECTRONICS INC0 citations61
US10685895B2Jun 16, 2020
Power module with lead component and manufacturing method thereof
DELTA ELECTRONICS INC0 citations52
US10784612B2Sep 22, 2020
Connector, method for manufacturing connector and signal pin assembly
DELTA ELECTRONICS INC0 citations51