Keum Cheol Hwang

6 Patents

• US122962312025

  Apparatus for Selecting High-quality Golf Ball

  EMTELLI Inc.

  0 cites
• US122277152025

  Lubricating Oil Composition

  KONASOL CO., Ltd.

  0 cites
• US121993312025

  Laminated Glass Antenna Structure

  Hongik University Industry-academia Cooperation Foundation

  0 cites
• US118946142024

  Antenna Apparatus

  Research & Business Foundation SUNGKYUNKWAN UNIVERSITY

  0 cites
• US118666722024

  Lubricating Oil Composition

  KONASOL CO., Ltd.

  0 cites
• US116410652023

  Antenna Device

  Research & Business Foundation SUNGKYUNKWAN UNIVERSITY

  0 cites