Patent assignee · US · COMPANY

IPOWER SEMICONDUCTOR

15Patents
15Active
15Granted
47Portfolio score

Filing activity: Jan 16, 2019 → Oct 12, 2023

Most-cited patents

PatentTitleAreaCited byStatus
US10777661B2 Method of manufacturing shielded gate trench MOSFET devices Electricity 5 Active
US10998438B2 Self-aligned trench MOSFET structures and methods Electricity 5 Active
US11251297B2 Shielded gate trench MOSFET devices Electricity 3 Active
US10714574B2 Shielded trench devices Electricity 3 Active
US11538911B2 Shielded trench devices Electricity 2 Active
US11469313B2 Self-aligned trench MOSFET and IGBT structures and methods of fabrication Electricity 0 Active
US12262553B2 Field stop IGBT with grown injection region Electricity 0 Active
US11056585B2 Small pitch super junction MOSFET structure and method Electricity 0 Active
US11069770B2 Carrier injection control fast recovery diode structures Electricity 0 Active
US11239352B2 Self-aligned and robust IGBT devices Electricity 0 Active
US11640993B2 Shielded gate trench MOSFET devices Electricity 0 Active
US11233141B2 Self-aligned and robust IGBT devices Electricity 0 Active
US11640994B2 Shielded gate trench MOSFET devices Electricity 0 Active
US11581432B2 Small pitch super junction MOSFET structure and method Electricity 0 Active
US11640992B2 Shielded gate trench MOSFET devices Electricity 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.