Patents by Inventor Han Eum PARK

Han Eum PARK has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Lubricant composition for brake system
    Patent number: 12486469
    Abstract: A lubricant composition with excellent high-temperature operability, the lubricant composition including: 85 wt % to 95 wt % of a polyalkylene glycol base oil; 1 wt % to 5 wt % of an antioxidant; 1 wt % to 5 wt % of a first anti-wear extreme-pressure additive; and 1 wt % to 5 wt % of a second anti-wear extreme-pressure additive, wherein the antioxidant includes an amine-based compound, the first anti-wear extreme-pressure additive includes an amine salt of phosphate, and the second anti-wear extreme-pressure additive includes a nano-diamond dispersion.
    Type: Grant
    Filed: January 15, 2025
    Date of Patent: December 2, 2025
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Kang Won Seo, Choong Sik Shin, Hyun Chul Kim, Yeon Chan Koo, Im Gee Baek, Hyun Woong Lee, Han Eum Park
  • LUBRICANT COMPOSITION FOR BRAKE SYSTEM
    Publication number: 20250313773
    Abstract: A lubricant composition with excellent high-temperature operability, the lubricant composition including: 85 wt % to 95 wt % of a polyalkylene glycol base oil; 1 wt % to 5 wt % of an antioxidant; 1 wt % to 5 wt % of a first anti-wear extreme-pressure additive; and 1 wt % to 5 wt % of a second anti-wear extreme-pressure additive, wherein the antioxidant includes an amine-based compound, the first anti-wear extreme-pressure additive includes an amine salt of phosphate, and the second anti-wear extreme-pressure additive includes a nano-diamond dispersion.
    Type: Application
    Filed: January 15, 2025
    Publication date: October 9, 2025
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Kang Won SEO, Choong Sik SHIN, Hyun Chul KIM, Yeon Chan KOO, Im Gee BAEK, Hyun Woong LEE, Han Eum PARK