Patents by Inventor Jiyoung RYU

Jiyoung RYU 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: 20240117294
    Abstract: The present application relates to a Rhizopus oligosporus CJCC02-20 strain deposited with Accession No. KCCM12893P and application thereof.
    Type: Application
    Filed: March 29, 2021
    Publication date: April 11, 2024
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Hyelim KWON, Hyungseok RYU, Hee-Su KWON, Eun Jung JEON, Jiyoung OH
  • Patent number: 11633951
    Abstract: This disclosure relates to a printing device for printing or dispensing a curable printing composition which is capable of changing color in response to the application of a magnetic field in the non-cured state. The printing device may be a handheld device such as a portable pen. The present disclosure further relates to curable compositions, cartridges and methods which may be used in combination with the aforementioned printing devices or in other applications.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: April 25, 2023
    Assignee: Société BIC
    Inventors: Seung Hun Han, Jeongmi Ha, Jin Sung Cha, Woo Yong Jung, Jiyoung Ryu, Jae Hyun Joo
  • Publication number: 20210189139
    Abstract: Disclosed is a microcapsule composed of a transparent capsule wall material and configured to contain therein color particles selected from among color magnetic pigment particles and color pigment particles, magnetically color-tunable particles, and a solvent, thus exhibiting a superior structural color expression effect compared to a conventional microcapsule, and realizing a full range of colors, thereby enabling use thereof as a print medium.
    Type: Application
    Filed: June 13, 2019
    Publication date: June 24, 2021
    Inventors: Seung Hun HAN, Jae Hyun JOO, Jiyoung RYU
  • Publication number: 20210146684
    Abstract: This disclosure relates to a printing device for printing or dispensing a curable printing composition which is capable of changing color in response to the application of a magnetic field in the non-cured state. The printing device may be a handheld device such as a portable pen. The present disclosure further relates to curable compositions, cartridges and methods which may be used in combination with the aforementioned printing devices or in other applications.
    Type: Application
    Filed: April 5, 2019
    Publication date: May 20, 2021
    Inventors: Seung Hun HAN, Jeongmi HA, Jin Sung CHA, Woo Yong JUNG, Jiyoung RYU, Jae Hyun JOO