Young Seok Noh

3 Patents

• US126101762026

  Hybrid Receiver Having a Bracket for Installing a Driver

  EM-TECH Co., Ltd.

  0 cites
• US124138962025

  Two-way Speaker

  EM-TECH Co., Ltd

  0 cites
• US121373112024

  Earphone with Duct Unit Dividing Pressure Equilibrium Hole and Back Hole

  EM-TECH Co., Ltd.

  0 cites