Patents by Inventor Nak Cheon CHOI

Nak Cheon CHOI 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: 11534715
    Abstract: Provided is a dust cover having excellent moisture control performance which is applied to a car lamp. The dust cover having excellent moisture control performance has excellent lamp humidity adjustment ability, and thus, efficiently removes moisture present inside to prevent moisture dew condensation due to a rapid temperature difference beforehand, and furthermore, maintains humidity inside the lamp low to prevent corrosion or malfunction of mounted components.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: December 27, 2022
    Assignee: DesiKhan Co., Ltd.
    Inventors: Nak Cheon Choi, Eun Young Park, Jong Hyup Kim
  • Patent number: 11358122
    Abstract: A moisture absorbent for a vehicle lamp includes a first inorganic material, a second inorganic material, alkali metal phosphate, and a polymer wax are included. A composite moisture absorbent structure includes a first moisture absorbent pack including a powder type moisture absorbent and a second moisture absorbent pack including a capsule type moisture absorbent are embedded.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: June 14, 2022
    Assignee: DesiKhan Co., Ltd.
    Inventors: Sin Jong Hyung, Nak Cheon Choi, You Jin Lee, Jong Hyup Kim
  • Publication number: 20220001327
    Abstract: Provided is a dust cover having excellent moisture control performance which is applied to a car lamp. The dust cover having excellent moisture control performance has excellent lamp humidity adjustment ability, and thus, efficiently removes moisture present inside to prevent moisture dew condensation due to a rapid temperature difference beforehand, and furthermore, maintains humidity inside the lamp low to prevent corrosion or malfunction of mounted components.
    Type: Application
    Filed: September 4, 2020
    Publication date: January 6, 2022
    Inventors: Nak Cheon CHOI, Eun Young PARK, Jong Hyup KIM
  • Publication number: 20200324271
    Abstract: A moisture absorbent for a vehicle lamp includes a first inorganic material, a second inorganic material, alkali metal phosphate, and a polymer wax are included. A composite moisture absorbent structure includes a first moisture absorbent pack including a powder type moisture absorbent and a second moisture absorbent pack including a capsule type moisture absorbent are embedded.
    Type: Application
    Filed: May 31, 2019
    Publication date: October 15, 2020
    Inventors: Sin Jong HYUNG, Nak Cheon CHOI, You Jin LEE, Jong Hyup KIM
  • Publication number: 20200097884
    Abstract: Disclosed is a computer program stored in a computer readable medium including encoded commands.
    Type: Application
    Filed: December 20, 2017
    Publication date: March 26, 2020
    Inventors: Bo Hoon KIM, Emil Hyunbae ZIN, Nak Cheon CHOI, Young Kun LEE, Keon KIM