Patents by Inventor Se In Oh

Se In Oh 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).

  • TOOTHBRUSH COMPRISING BRISTLES HAVING DIFFERENT LENGTHS
    Publication number: 20210100347
    Abstract: The toothbrush comprises: a toothbrush handle; a supporting part connected to the toothbrush handle; and a toothbrush head having first bristles and second bristles which are formed on the supporting part. The second bristles are bristles placed inside the first bristles, the first bristles are outermost bristles, the length of the second bristles is 70% or less of the length of the first bristles, and, when the first bristles are inserted between the teeth from the inside of the teeth, at least one among the first bristles can pass the space between teeth and then protrude to the outside of the teeth.
    Type: Application
    Filed: January 21, 2019
    Publication date: April 8, 2021
    Inventors: Se In OH, Myung Hee PARK, Kwan Lak CHOI
  • Toothbrush having short inner bristles
    Patent number: D880165
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: April 7, 2020
    Inventors: Se In Oh, Myung Hee Park, Kwan Lak Choi
  • Toothbrush with bristles having different lengths
    Patent number: D880166
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: April 7, 2020
    Inventors: Se In Oh, Myung Hee Park, Kwan Lak Choi