Hai-tao Xu

3 Patents

• US121239722024

  Method and System for Importing Parameter Calibration and Terminal Device

  HONGFUJIN PRECISION ELECTRONICS (ZHENGZHOU) CO., Ltd.

  0 cites
• US117701542023

  Device and System for Preventing Drowning

  HON HAI PRECISION INDUSTRY CO., Ltd.

  0 cites
• US116945372023

  Warning Device, Warning System for Detecting Water Level in Drainage Well

  HON HAI PRECISION INDUSTRY CO., Ltd.

  0 cites