Jong Oh Choi

3 Patents

• US122447642025

  Captioned Telephone Service System for Providing Original Number Service and Anti-spam Function

  Mezmo Corporation

  0 cites
• US122027312025

  Method for Preparing Silicon Composite

  KOREA METAL SILICON CO., Ltd.

  0 cites
• US115464652023

  System and Method for Providing One Number Service in Telecommunications Relay Service

  MEZMO CORPORATION

  0 cites