Patents by Inventor Yoonkyun Hwang

Yoonkyun Hwang 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).

  • Patent number: 11826454
    Abstract: The present invention relates to a cosmetics composition having high anti-oxidant content. Specifically, the anti-oxidant of the present invention may be pure vitamin-C. More specifically, the present invention can maintain the potency of vitamin-C by preventing exposure of same to the outside air.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: November 28, 2023
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Yoonkyun Hwang, Jihye An, Youngsun Kim, Dalsu Na, Byungfhy Suh, Seonga Cho, Byungguen Chae, Dongwon Choi, Sanghoon Han
  • Patent number: 11633342
    Abstract: The present invention relates to an additive composition for cosmetics material containing vitamin-C, the additive composition improving the feel on the skin of vitamin-C which is an anti-oxidant. High vitamin-C content can cause stinging skin irritation or be sticky to the touch, but the additive composition according to the present invention, when used in cosmetics composition with high vitamin-C content, due to the oil, can reduce irritation and stickiness, as well as provide a moisturizing effect.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: April 25, 2023
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Yoonkyun Hwang, Jihye An, Youngsuk Cho, Seunghan Park, Byungfhy Suh, Byungguen Chae, Dongwon Choi, Sanghoon Han
  • Publication number: 20230110451
    Abstract: An emulsion composition and a method for preparing the emulsion composition are disclosed. The emulsion composition contains an inner phase; an external phase; and a plurality of interfacial particles surrounding the surface of the inner phase to form an interface, wherein the interfacial particles have a particle size smaller than the inner phase, and the interfacial particles include organic particles. The method for preparing the emulsion composition includes steps of: preparing a colloidal solution comprising a dispersion medium and organic particles dispersed in the dispersion medium; preparing an aqueous phase; preparing an oil phase; and mixing the colloidal solution, the aqueous phase, and the oil phase so as to prepare the emulsion composition.
    Type: Application
    Filed: February 25, 2021
    Publication date: April 13, 2023
    Applicant: Amorepacific Corporation
    Inventors: Yoonkyun HWANG, Jihye AN, Youngsuk CHO, Byungfhy SUH, Byungguen CHAE
  • Publication number: 20220313588
    Abstract: The present specification describes an additive composition for preventing the precipitation of vitamin C in a cosmetic composition containing 15 wt % or more of vitamin C. The additive composition of the present invention comprises one or more of 3-O-ethyl ascorbic acid and caffeine as an active ingredient, and can thereby prevent precipitation of vitamin C even when a cosmetic composition is in cold storage. In addition, the additive composition according to the present invention can ameliorate the tingling irritation and stickiness that results from the inclusion of a high content of vitamin C.
    Type: Application
    Filed: August 24, 2020
    Publication date: October 6, 2022
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Yoonkyun HWANG, Jihye AN, Dajeong LEE, Youngsuk CHO
  • Publication number: 20210299008
    Abstract: Nanocapsules that form emulsion particles and an emulsion composition including the nanocapsules are disclosed. The emulsion composition contains an aqueous phase; an oil phase; and emulsion particles surrounded by a plurality of non-amphiphilic nanocapsules located in the interface between the aqueous phase and the oil phase. The emulsion composition is capable of forming emulsion particles in an oil-in-water-type emulsion composition, without using a surfactant.
    Type: Application
    Filed: August 28, 2019
    Publication date: September 30, 2021
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Yoonkyun HWANG, Jihye AN, Dajeong LEE, Youngsun KIM, Seunghan PARK, Byungguen CHAE, Dongwon CHOI
  • Publication number: 20200383895
    Abstract: The present invention relates to a cosmetics composition having high anti-oxidant content. Specifically, the anti-oxidant of the present invention may be pure vitamin-C. More specifically, the present invention can maintain the potency of vitamin-C by preventing exposure of same to the outside air.
    Type: Application
    Filed: January 9, 2020
    Publication date: December 10, 2020
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Yoonkyun HWANG, Jihye AN, Youngsun KIM, Dalsu NA, Byungfhy SUH, Seonga CHO, Byungguen CHAE, Dongwon CHOI, Sanghoon HAN
  • Publication number: 20200330355
    Abstract: The present invention relates to an additive composition for cosmetics material containing vitamin-C, the additive composition improving the feel on the skin of vitamin-C which is an anti-oxidant. High vitamin-C content can cause stinging skin irritation or be sticky to the touch, but the additive composition according to the present invention, when used in cosmetics composition with high vitamin-C content, due to the oil, can reduce irritation and stickiness, as well as provide a moisturizing effect.
    Type: Application
    Filed: January 9, 2020
    Publication date: October 22, 2020
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Yoonkyun HWANG, Jihye AN, Youngsuk CHO, Seunghan PARK, Byungfhy SUH, Byungguen CHAE, Dongwon CHOI, Sanghoon HAN
  • Patent number: 9173470
    Abstract: The present invention relates to a beauty apparatus comprising: a case unit comprising an upper case for accommodating powder and a lower case detachably attached to the upper case; a guide mounted to the lower case between the upper case and the lower case; a magnetic field generating unit mounted to an inside of the lower case between the guide and the lower case, for generating a time-varying magnetic field; a magnetic body coupling part moving through the guide within the lower case according to a change of a magnetic field; a movable plate mounted to the magnetic body coupling part passing through a guide hole formed in the guide on the magnetic body coupling part, for restricting movement of the magnetic body coupling part; and a puff pad enclosing the guide to vibrate according to movement of the movable plate.
    Type: Grant
    Filed: September 3, 2012
    Date of Patent: November 3, 2015
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Wooram Park, Jungsun Choi, Jooho Kim, Yoonkyun Hwang, Junoh Kim
  • Publication number: 20140234005
    Abstract: The present invention relates to a beauty apparatus comprising: a case unit comprising an upper case for accommodating powder and a lower case detachably attached to the upper case; a guide mounted to the lower case between the upper case and the lower case; a magnetic field generating unit mounted to an inside of the lower case between the guide and the lower case, for generating a time-varying magnetic field; a magnetic body coupling part moving through the guide within the lower case according to a change of a magnetic field; a movable plate mounted to the magnetic body coupling part passing through a guide hole formed in the guide on the magnetic body coupling part, for restricting movement of the magnetic body coupling part; and a puff pad enclosing the guide to vibrate according to movement of the movable plate.
    Type: Application
    Filed: September 3, 2012
    Publication date: August 21, 2014
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Wooram Park, Jungsun Choi, Jooho Kim, Yoonkyun Hwang, Junoh Kim
  • Patent number: 8505556
    Abstract: A tapping applicator comprises a stationary part, a vibrating part, a vibrating plate, a puff, a power supply, and a control part. The stationary part consists of a casing, an insulating spool provided on the bottom of the casing, and a coil which winds around the insulating spool. The vibrating part consists of a magnet inserted to move up and down along a hollow of the insulating spool. The vibrating plate is integrated into the magnet in the top of the magnet. The puff is vibrated by vibrations of the vibrating plate. The power supply supplies an alternating current power source to the coil. The control part controls the vibration-generating module.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: August 13, 2013
    Assignee: Amorepacific Corporation
    Inventors: Wooram Park, Cheonghwan Hwang, Jungsun Choi, Yoonkyun Hwang, Jinwoong Kim
  • Publication number: 20120291798
    Abstract: The present invention relates to a tapping applicator which is used for the application of cosmetics. More specifically, the present invention relates to a tapping applicator in which a puff is vibrated up and down by moving a permanent magnet vertically using an alternating current. According to the present invention, it is provided a tapping applicator which is characterized by comprising: a stationary part consisting of a casing, an insulating spool provided on the bottom of the casing, and a coil which winds around the insulating spool; a vibrating part consisting of a magnet inserted to move up and down along a hollow of the insulating spool, a vibrating plate integrated into the magnet in the top of the magnet, and a puff which is vibrated by vibrations of the vibrating plate; a power supply which supplies an alternating current power source to the coil; and a control part which controls the vibration-generating module.
    Type: Application
    Filed: January 24, 2011
    Publication date: November 22, 2012
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Wooram Park, Cheonghwan Hwang, Jungsun Choi, Yoonkyun Hwang, Jinwoong Kim