Dong Ok Ahn

5 Patents

• US125604302026

  Level Sensor Module and Portable Level Measuring Apparatus

  Semes Co., Ltd.

  0 cites
• US123174192025

  Apparatus for Temperature Measurement and Method of Processing Substrate

  SEMES CO., Ltd.

  0 cites
• US117568152023

  Apparatus for and Method of Monitoring Warpage of Substrate, Substrate Treatment Apparatus, and Substrate-type Sensor

  SEMES CO., Ltd.

  0 cites
• US117035202023

  Wafer Type Sensor Unit and Data Acquisition Method Using the Wafer Type Sensor Unit

  SEMES CO., Ltd.

  0 cites
• US115775062023

  Apparatus and Method for Inspecting Droplet

  SEMES CO., Ltd.

  0 cites