Patents by Inventor Hak Soo SONG

Hak Soo SONG 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).

  • COMPOSITION FOR THE SELECTIVE ETCHING OF SILICON
    Publication number: 20240150654
    Abstract: The present invention relates to a composition for selectively etching silicon on a surface on which a silicon oxide film (SiO2) and silicon (Si) are exposed. According to the present invention, it is possible to improve etch selectivity of silicon on the semiconductor surface.
    Type: Application
    Filed: December 8, 2022
    Publication date: May 9, 2024
    Inventors: Gi Young KIM, Hak Soo KIM, Jeong Sik OH, Myung Ho LEE, Myung Geun SONG
  • OUTER RING FOR AN OIL PUMP AND A METHOD FOR MANUFACTURING THE SAME
    Publication number: 20240093684
    Abstract: Disclosed are an outer ring for an oil pump having an increased number and size of open pores in a surface of a molded article and a method for manufacturing the outer ring.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 21, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, MYUNG HWA IND. CO., LTD.
    Inventors: Hak Soo Kim, Dong Sub Song, Jung Beom Koo
  • Prefabricated plaything for pet
    Patent number: 9832975
    Abstract: The present invention relates to a prefabricated plaything for a pet. More specifically, the present invention provides an amenity that a pet can easily ascend and descend, including: an easily replaceable friction means and a shelter, wherein the pet relieves stress and trains its body while rubbing its body, claws, and teeth against the friction means or biting the same, and rests in the pouch of the shelter in which a darkroom comfortable for resting is maintained.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: December 5, 2017
    Inventor: Hak Soo Song
  • PREFABRICATED PLAYTHING FOR PET
    Publication number: 20170135318
    Abstract: The present invention relates to a prefabricated plaything for a pet. More specifically, the present invention provides an amenity that a pet can easily ascend and descend, including: an easily replaceable friction means and a shelter, wherein the pet relieves stress and trains its body while rubbing its body, claws, and teeth against the friction means or biting the same, and rests in the pouch of the shelter in which a darkroom comfortable for resting is maintained.
    Type: Application
    Filed: April 29, 2015
    Publication date: May 18, 2017
    Inventor: Hak Soo SONG