Yi-hua Chang

4 Patents

• US124903512025

  Dimming Circuit and Method for Use in Dimming Control

  Richtek Technology Corporation

  0 cites
• US124024312025

  Complex Sensing Device Packaging Structure and Packaging Method

  Sensortek Technology Corp.

  0 cites
• US122008892025

  Power Supply Device with Stacked Circuit Boards and Thermal Gel Contacting Magnetic Member

  DELTA ELECTRONICS, Inc.

  0 cites
• US119568882024

  Electronic Device and Grounding Assembly Thereof

  DELTA ELECTRONICS, Inc.

  0 cites