Kyung Hee Han

5 Patents

• US124423562025

  Vertical Axis Multi-stage Wind Turbine Generator

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• US123923202025

  Vertical Axis Wind Turbine Generator

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• US123834522025

  Lumbar Retractor

  Korea University Research And Business Foundation

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• US121724822024

  Self-powered Drone Flying Car for Land and Air

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• US118585822024

  Electric Kickboard Including Impact Absorbing Device to Support Weight of User Standing Up

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