Patents by Inventor Kyeonghwan CHOI

Kyeonghwan 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).

  • Publication number: 20250086014
    Abstract: Various embodiments of the present disclosure relate to a memory management method and apparatus which perform a memory return operation by dynamically setting a memory threshold value by additionally considering performance information of an electronic apparatus in addition to an amount of available memory.
    Type: Application
    Filed: November 26, 2024
    Publication date: March 13, 2025
    Inventors: Changhyeon CHAE, Kyeonghwan JUNG, Jihun JUNG, Jaeook KWON, Jusun SONG, Jaehoon JEONG, Youngho CHOI
  • Publication number: 20240385547
    Abstract: An external additive for a toner is described. An example external additive comprises tin oxide, aluminum oxide, and a silica-polymer composite.
    Type: Application
    Filed: July 6, 2021
    Publication date: November 21, 2024
    Inventors: Seyoung Yoon, Kyeonghwan Choi, Seungsik Woo
  • Publication number: 20220206406
    Abstract: An example toner having a plurality of toner particles is provided. The toner particles include a core particle including a binder resin, a colorant, and a releasing agent, and an external additive to attach to a surface of the core particle, the external additive including silica particles and tin oxide particles.
    Type: Application
    Filed: September 8, 2020
    Publication date: June 30, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Seyoung Yoon, Kyeonghwan CHOI, Woochul JUNG