Ching-ming Hung

3 Patents

• US120614942024

  Electronic Device with Display Module Capable of Producing Sound

  Chiun Mai Communication Systems, Inc.

  0 cites
• US119101522024

  Earphone

  Chiun Mai Communication Systems, Inc.

  0 cites
• US117583132023

  Electronic Device

  Chiun Mai Communication Systems, Inc.

  0 cites