Ju Hwan Cho

4 Patents

• US121033922024

  Levitating User-interface Gadget

  SEOYONE E-HWA CO., Ltd.

  0 cites
• US119717382024

  User Interface Device with Adjustable Knob Holding Force

  SEOYON E-HWA CO., Ltd.

  0 cites
• US118813642024

  Knob Structure of User Interface Device

  SEOYON E-HWA CO., Ltd.

  0 cites
• US117750892023

  User Interface Device

  SEOYON E-HWA CO., Ltd.

  0 cites