Ju Sang Lee

4 Patents

• US124976692025

  Ultra-high-strength Reinforcing Bar and Manufacturing Method Thereof

  Hyundai Steel Company

  0 cites
• US121565652024

  Variable Helmet

  Nature Mobility Co., Ltd.

  0 cites
• US120943442024

  System for Providing Big Data-based Artificial Intelligence Automatic Allocation Matching Service Using Taxi Demand Prediction

  Nature Mobility Co., Ltd.

  0 cites
• US116741962023

  Steel Reinforcing Bar and Production Method Therefor

  Hyundai Steel Company

  0 cites