Jinlong Xu

5 Patents

• USD10589412025

  Pet Playpen

  HUANGJIE (HANGZHOU) INDUSTRIAL CO., Ltd

  0 cites
• USD10580542025

  Pet Playpen

  HUANGJIE (HANGZHOU) INDUSTRIAL CO., Ltd

  0 cites
• USD10485762024

  Pet Playpen

  Huangjie (Hangzhou) Industrial Co., Ltd.

  0 cites
• US121197452024

  Short-circuit Protection Circuit, Chip and System for Switched-mode Power Supply

  SHANGHAI XINLONG SEMICONDUCTOR TECHNOLOGY CO., Ltd.

  0 cites
• US119967652024

  Current Limit Control Circuit and Switched-mode Power Supply Chip Incorporating Same

  SHANGHAI XINLONG SEMICONDUCTOR TECHNOLOGY CO., Ltd

  0 cites