Chien-hsiang Chang

4 Patents

• USD11041792025

  Grip Strength Trainer

  National Cheng Kung University

  0 cites
• USD10854222025

  Upper-limb Detecting Device

  National Cheng Kung University

  0 cites
• USD10808842025

  Wearable Interface for Intelligent Health Promotion Service System

  Aifree Interactive Technology CO., Ltd.

  0 cites
• US121862232025

  Wearable Interface for Intelligent Health Promotion Service System

  Aifree Interactive Technology CO., Ltd.

  0 cites