Longyin Chen

3 Patents

• US122073662025

  Lighting Device Control Device Having Color Temperature Adjusting Function

  Xiamen PVTECH Co., Ltd.

  0 cites
• US121333092024

  Lighting Device Having Replaceable Intelligent Sensor

  Xiamen PVTECH Co., Ltd.

  0 cites
• US119656462024

  Ultra-thin Downlight with Enhanced Thermal Dissipation Performance

  Xiamen PVTECH Co., Ltd.

  0 cites