Patents by Inventor Jeong Hwan Ko

Jeong Hwan Ko 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).

  • Publication number: 20240118028
    Abstract: An infrared heat source module is configured to minimize problems such as wrinkles or cracks in electrodes even if the patterns of a coated part and an uncoated part of the electrodes present in a current collector vary. The module improves a drying efficiency of the coated part of the current collector. An electrode using the infrared heat source module is manufactured by a process.
    Type: Application
    Filed: January 27, 2022
    Publication date: April 11, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Soon Sik Choi, Young Kuk Ko, Oh Cheol Kwon, Ji Hwan Kim, Jeong Won Lee
  • Patent number: 10590216
    Abstract: The present invention relates to a method for producing a vinyl chloride-based resin composition which exhibits good processability due to excellent solubility in a solvent, can implement excellent transparency in products produced, and improves the glossiness of a coating film when used as an ink binder, thereby being capable of being used as a high-quality adhesive and ink binder, and a method for producing the same.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: March 17, 2020
    Assignee: HANWHA CHEMICAL CORPORATION
    Inventors: Ji Won Kim, Jeong Hwan Ko, Paul Kang
  • Publication number: 20180346624
    Abstract: The present invention relates to a method for producing a vinyl chloride-based resin composition which exhibits good processability due to excellent solubility in a solvent, can implement excellent transparency in products produced, and improves the glossiness of a coating film when used as an ink binder, thereby being capable of being used as a high-quality adhesive and ink binder, and a method for producing the same.
    Type: Application
    Filed: November 25, 2016
    Publication date: December 6, 2018
    Inventors: Ji Won KIM, Jeong Hwan KO, Paul KANG
  • Patent number: 9902817
    Abstract: Disclosed herein is a polyvinyl chloride resin, including: a first particle group having a particle diameter of 0.01 ?m or more and less than 1 ?m; and a second particle group having a particle diameter of 1 to 10 ?m, wherein the volume ratio of the first particle group to the second particle group is 1:0.4 to 1:1.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: February 27, 2018
    Assignee: Hanwha Chemical Corporation
    Inventors: Jeong Hwan Ko, Jung Ho Kong, Ji Eun Namgoong
  • Patent number: 9637580
    Abstract: Provided is a method of preparing a vinyl chloride-based resin that includes preparing slurry through suspension polymerization by mixing a monomer, an oil soluble initiator, a dispersant, and an additive including an emulsifier, a water-soluble initiator, or a combination thereof, wherein the monomer includes vinyl chloride, an unsaturated carboxylic acid-based compound, and an ethylenic unsaturated compound that is copolymerizable therewith, and the emulsifier includes an anionic emulsifier, a non-ionic emulsifier, or a combination thereof.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: May 2, 2017
    Assignee: HANWHA CHEMICAL CORPORATION
    Inventors: Jeong Hwan Ko, Paul Kang, Ji Won Kim, Hyung Hoon Sim
  • Publication number: 20160376387
    Abstract: Provided is a method of preparing a vinyl chloride-based resin that includes preparing slurry through suspension polymerization by mixing a monomer, an oil soluble initiator, a dispersant, and an additive including an emulsifier, a water-soluble initiator, or a combination thereof, wherein the monomer includes vinyl chloride, an unsaturated carboxylic acid-based compound, and an ethylenic unsaturated compound that is copolymerizable therewith, and the emulsifier includes an anionic emulsifier, a non-ionic emulsifier, or a combination thereof.
    Type: Application
    Filed: August 29, 2014
    Publication date: December 29, 2016
    Inventors: Jeong Hwan KO, Paul KANG, Ji Won KIM, Hyung Hoon SIM
  • Publication number: 20160054235
    Abstract: Provided are a surface inspection apparatus and a surface inspection method. More particularly, disclosed are a surface inspection apparatus and a surface inspection method to allow for inspection of a foreign material on non-uniformly colored diffusive surfaces containing a metal or polymer material or the like.
    Type: Application
    Filed: November 24, 2014
    Publication date: February 25, 2016
    Inventors: Hyun Woo KIM, Jeong Hwan KO, Eui Seung CHUNG
  • Publication number: 20150274901
    Abstract: Disclosed herein is a polyvinyl chloride resin, including: a first particle group having a particle diameter of 0.01 ?m or more and less than 1 ?m; and a second particle group having a particle diameter of 1 to 10 ?m, wherein the volume ratio of the first particle group to the second particle group is 1:0.4 to 1:1.
    Type: Application
    Filed: November 1, 2013
    Publication date: October 1, 2015
    Applicant: Hanwha Chemical Corporation
    Inventors: Jeong Hwan Ko, Jung Ho Kong, Ji Eun Namgoong
  • Publication number: 20080052639
    Abstract: The present invention relates to method and system for providing a personalized menu page, wherein the personalized menu page, in case that a user gets access to the wireless Internet by using a mobile communication terminal, has enhanced accessibility to a menu which the User has used most frequently at the relevant location during the relevant time, by grasping time information and the user's site information.
    Type: Application
    Filed: January 5, 2005
    Publication date: February 28, 2008
    Inventors: Sung Hoon Chun, Jeong Hwan Ko