Jae Hwa Choi

5 Patents

• US124343232025

  Ultrasonic Welding Device and Welding Method for Secondary Battery

  LG Energy Solution, Ltd.

  0 cites
• US124203622025

  Secondary Battery and Ultrasonic Welding Device and Welding Method for Secondary Battery

  LG Energy Solution, Ltd.

  0 cites
• US123580822025

  Method for Inspecting Welding Quality of Welded Portion Between Electrode Tab and Lead

  LG ENERGY SOLUTION, Ltd.

  0 cites
• US123061412025

  Welding Defect Inspection Method

  LG ENERGY SOLUTION, Ltd.

  0 cites
• US122911322025

  Device for Adjusting Seat of Vehicle

  Hyundai Transys Inc.

  0 cites