Patent Assignment
Reel/Frame 059429/0455
Assignment of Assignor's Interest
Recorded: 2022-03-29
Pages: 4
Assignors
LIU, CONGHUI
Executed: 2021-11-30
LI, PENG
Executed: 2021-11-23
CHI, MIN-HWA
Executed: 2021-11-23
Assignee
SIEN (QINGDAO) INTEGRATED CIRCUITS CO., LTD.
NO. 1088, SHANGWANGHE ROAD, WEST COAST NEW AREA,, QINGDAO, SHANGDONG, 266426, CHINA
Covered Property
(1)
Notch Shape of Trench Gate Bottom Corner for Better Breakdown Voltage of Power Mosfet and Igbt with Good Trade Off to Ron and Ox Reliability