Lee Kyu Hong patents

• Dual venturi

  US-12435874-B2 · Oct 7, 2025 · US

• Pipe and water heater including the same

  US-2025067472-A1 · Feb 27, 2025 · US

• Case for water heater

  US-2024210071-A1 · Jun 27, 2024 · US

• Dual venturi

  US-2024183534-A1 · Jun 6, 2024 · US

• Method of manufacturing uranium target to be soluble in basic solution and method of extracting radioactive Mo-99 using the same

  US-11713498-B2 · Aug 1, 2023 · US

• Method of manufacturing uranium target to be soluble in basic solution and method of extracting radioactive mo-99 using the same

  US-2020368820-A1 · Nov 26, 2020 · US

• Inhalation toxicity testing chamber device for nanoparticles having multiple concentrations

  US-10716653-B2 · Jul 21, 2020 · US

• Lung model device for inhalation toxicity testing

  US-10338059-B2 · Jul 2, 2019 · US

• Inhalation toxicity testing chamber device for nanoparticles having multiple concentrations

  US-2017367805-A1 · Dec 28, 2017 · US

• Lung model device for inhalation toxicity testing

  US-2017160268-A1 · Jun 8, 2017 · US

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