Patents by Inventor Guen Woo PARK

Guen Woo 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).

  • Method of manufacturing bamboo toothbrush and bamboo toothbrush manufactured thereby
    Patent number: 11963610
    Abstract: Disclosed is a method of manufacturing bamboo toothbrush and a toothbrush manufactured thereby. According to the method of manufacturing bamboo toothbrush of a detailed embodiment of the present invention and a toothbrush manufactured by the method, it is possible to improve strength, surface roughness, and moisture resistance of a bamboo and adjust the color of the bamboo using hot pressing. Further, since sanding and polishing and separate coating and drying are not performed, the process time is reduced, whereby the manufacturing cost can be reduced.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: April 23, 2024
    Assignee: PROJECT NOAH, INC.
    Inventors: Kyung Tae Lee, Guen Woo Park, Eun Seob Kim
  • METHOD OF MANUFACTURING BAMBOO TOOTHBRUSH AND BAMBOO TOOTHBRUSH MANUFACTURED THEREBY
    Publication number: 20220125192
    Abstract: Disclosed is a method of manufacturing bamboo toothbrush and a toothbrush manufactured thereby. According to the method of manufacturing bamboo toothbrush of a detailed embodiment of the present invention and a toothbrush manufactured by the method, it is possible to improve strength, surface roughness, and moisture resistance of a bamboo and adjust the color of the bamboo using hot pressing. Further, since sanding and polishing and separate coating and drying are not performed, the process time is reduced, whereby the manufacturing cost can be reduced.
    Type: Application
    Filed: October 2, 2019
    Publication date: April 28, 2022
    Inventors: Kyung Tae LEE, Guen Woo PARK, Eun Soeb KIM