Patents by Inventor Myeong-Jun Choi

Myeong-Jun 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: 20240147854
    Abstract: The present disclosure relates to a boron compound useful in an organic light-emitting diode and an organic light-emitting diode comprising same and, more particularly, to a boron compound represented by any one of [Chemical Formula A], wherein [Chemical Formula A] is as defined in the description.
    Type: Application
    Filed: March 19, 2021
    Publication date: May 2, 2024
    Inventors: Yeong-Tae CHOI, Se-Jin Lee, Ji-Yung KIM, Kyungtae KIM, Myeong-Jun Kim, Kyeong-Hyeon Kim
  • Publication number: 20240128502
    Abstract: An embodiment solid electrolyte includes a first compound and a second compound. The first compound is represented by a first chemical formula Li7-aPS6-a(X11-bX2b)a, wherein X1 and X2 are the same or different and each represents F, Cl, Br, or I, and wherein 0<a?2 and 0<b<1, and the second compound is represented by a second chemical formula Li7-cP1-2dMdS6-c-3d(X11-eX2e)c, wherein X1 and X2 are the same or different and each represents F, Cl, Br, or I, wherein M represents Ge, Si, Sn, or any combination thereof, and wherein 0<c?2, 0<d<0.5, and 0<e<1.
    Type: Application
    Filed: August 14, 2023
    Publication date: April 18, 2024
    Inventors: Sa Heum Kim, Yong Jun Jang, Yong Gu Kim, Sung Man Cho, Sun Ho Choi, Seong Hyeon Choi, Kyu Sung Park, Young Gyoon Ryu, Suk Gi Hong, Pil Sang Yun, Myeong Ju Ha, Hyun Beom Kim, Hwi Chul Yang
  • Publication number: 20240090318
    Abstract: The present invention relates to a novel heterocyclic compound usable in an organic light-emitting device and to an organic light-emitting device comprising same, wherein [chemical formula A] is as described in the detailed description of the invention.
    Type: Application
    Filed: December 28, 2021
    Publication date: March 14, 2024
    Inventors: Se-Jin LEE, Seok-Bae PARK, Si-In KIM, Hee-Dae KIM, Yeong-Tae CHOI, Ji-Yung KIM, Kyung-Tae KIM, Myeong-Jun KIM, Kyeong-hyeon KIM, Seung-soo LEE, Tae Gyun LEE, Joon-Ho KIM
  • Patent number: 11925110
    Abstract: Disclosed is a polycyclic aromatic compound that can be employed in an organic layer of an organic electroluminescent device. Also disclosed is a highly efficient organic electroluminescent device including the polycyclic aromatic compound. The use of the polycyclic aromatic compound significantly improves the luminous efficiency of the device.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: March 5, 2024
    Assignee: SFC CO., LTD.
    Inventors: Kyeong-hyeon Kim, Se-jin Lee, Yeong-tae Choi, Ji-yung Kim, Kyung-tae Kim, Myeong-jun Kim
  • Publication number: 20220380724
    Abstract: The present invention relates to: a composition for promoting the proliferation of pluripotent stem cells, containing, as an active ingredient, cP1P or a pharmaceutically acceptable salt thereof; and a composition added to a stem cell culture liquid. When culturing stem cells by using a composition for promoting the proliferation of stem cells and a composition added to a stem cell culture medium, according to the present invention, sternness can be strengthened, growth can be promoted, and apoptosis can be inhibited.
    Type: Application
    Filed: January 21, 2020
    Publication date: December 1, 2022
    Applicants: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY, AXCESO BIOPHARMA CO., LTD.
    Inventors: Kye Seong KIM, Jung Jin LIM, Hyung Joon KIM, Myeong Jun CHOI, Su Jin KIM
  • Publication number: 20220289777
    Abstract: A pharmaceutical or health food composition for preventing or treating Parkinson's disease containing O-cyclic phytosphingosine-1-phosphate. The composition can prevent the death of SH-SY5Y nerve cells, which are dopaminergic nerve cells, and increase the expression of tyrosine hydroxylase, an enzyme required for dopamine formation. Accordingly, the composition can be effectively used for preventing or treating Parkinson's disease.
    Type: Application
    Filed: July 9, 2020
    Publication date: September 15, 2022
    Applicant: AXCESO BIOPHARMA CO., LTD.
    Inventors: Won Kyo HAN, Young Jun PARK, Myeong Jun CHOI
  • Publication number: 20220079960
    Abstract: The present disclosure provides a pharmaceutical composition for preventing or treating sepsis or septic shock comprising P1P or a derivative thereof. The present composition improves the survival rate of mice with sepsis induced by LPS or CLP treatment, as well as reduces the secretion of cytokines. Further, it helps to enhance the proliferation and function of vascular endothelial cells and increases the expression of SIRT1 protein which decreases in a sepsis patient. Accordingly, it can be effectively used in the treatment of sepsis.
    Type: Application
    Filed: January 29, 2020
    Publication date: March 17, 2022
    Applicant: AXCESO BIOPHARMACO.,LTD.
    Inventors: Jeong Min LEE, Su Jin KIM, Won Kyo HAN, Young Jun PARK, Myeong Jun CHOI
  • Patent number: 11000587
    Abstract: Disclosed in the present invention are a use as an immune enhancer of phytosphingosine-1-phosphate (P1P), O-cyclic P1P (cP1P), N-acetylphytosphingosine-1-phosphate (NAPS-1-P), and pharmaceutically acceptable salts thereof, and a pharmaceutical composition or vaccine for treating dementia, comprising such substance on the basis of a neuronal cell death inhibitory effect. The substance according to the present invention exhibits an effect of enhancing Th2 immune response and inhibiting Th1 immune response and has an effect of protecting neurons as well, and thus can be useful as an immune enhancer to help the production of antibodies for the development of a dementia vaccine, as well as an agent for preventing or treating dementia.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: May 11, 2021
    Assignee: AXCESO BIOPHARMA CO., LTD.
    Inventor: Myeong Jun Choi
  • Publication number: 20200046829
    Abstract: Disclosed in the present invention are a use as an immune enhancer of phytosphingosine-1-phosphate (P1P), O-cyclic P1P (cP1P), N-acetylphytosphingosine-1-phosphate (NAPS-1-P), and pharmaceutically acceptable salts thereof, and a pharmaceutical composition or vaccine for treating dementia, comprising such substance on the basis of a neuronal cell death inhibitory effect. The substance according to the present invention exhibits an effect of enhancing Th2 immune response and inhibiting Th1 immune response and has an effect of protecting neurons as well, and thus can be useful as an immune enhancer to help the production of antibodies for the development of a dementia vaccine, as well as an agent for preventing or treating dementia.
    Type: Application
    Filed: April 7, 2017
    Publication date: February 13, 2020
    Applicant: AXCESO BIOPHARMA CO., LTD.
    Inventor: Myeong Jun CHOI
  • Publication number: 20190292521
    Abstract: The present application relates to a composition for promoting proliferation of adult stem cells further comprising phytosphingosine-1-phosphate (P1P), O-cyclic P1P (cP1P), N-acetylphytosphingosine-1-phosphate (NAPS-1-P), and a pharmaceutically acceptable salt thereof in a basal medium, a composition for culturing adult stem cells comprising the same, or a composition for a serum-free or low-serum culture medium of adult stem cells. When the stem cells are cultured using the composition of the present application, the proliferation promotion, activity and differentiation capacity of the stem cells can be improved, and the death of the stem cells against external stress can be prevented.
    Type: Application
    Filed: March 23, 2017
    Publication date: September 26, 2019
    Applicant: AXCESO BIOPHARMA CO., LTD.
    Inventor: Myeong Jun CHOI
  • Patent number: 9783562
    Abstract: The present invention provides: O-cyclic phytospingosine-1-phosphate (O-C-P1P), N-cyclic phytospingosine-1-phosphate (N-C-P1P), a pharmaceutically acceptable salt thereof, or a solvate thereof; a preparation method therefor; a cosmetic composition comprising the same for preventing hair loss or for growing hair; and a pharmaceutical composition for preventing and treating hair loss or for growing hair.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: October 10, 2017
    Assignee: PHYTOS CO., LTD
    Inventor: Myeong Jun Choi
  • Publication number: 20160046656
    Abstract: The present invention provides: O-cyclic phytospingosine-1-phosphate (0-C-P1P), N-cyclic phytospingosine-1-phosphate (N-C-P1P), a pharmaceutically acceptable salt thereof, or a solvate thereof; a preparation method therefor; a cosmetic composition comprising the same for preventing hair loss or for growing hair; and a pharmaceutical composition for preventing and treating hair loss or for growing hair.
    Type: Application
    Filed: April 4, 2013
    Publication date: February 18, 2016
    Applicant: PHYTOS CO., LTD.
    Inventor: Myeong Jun CHOI
  • Patent number: 8729052
    Abstract: Disclosed is a composition for prevention and treatment of alopecia or for hair growth, comprising a phytosphingosine-1-phosphate derivative or a pharmaceutically acceptable salt thereof as an active ingredient. Also, a medicine comprising the composition and a quasi-drug comprising the composition are provided.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: May 20, 2014
    Assignee: Phytos Co., Ltd.
    Inventors: Myeong Jun Choi, Joo Hyun Cho
  • Publication number: 20120004439
    Abstract: Disclosed is a composition for prevention and treatment of alopecia or for hair growth, comprising a phytosphingosine-1-phosphate derivative or a pharmaceutically acceptable salt thereof as an active ingredient. Also, a medicine comprising the composition and a quasi-drug comprising the composition are provided.
    Type: Application
    Filed: July 30, 2009
    Publication date: January 5, 2012
    Inventors: Myeong Jun Choi, Joo Hyun Cho
  • Publication number: 20020151683
    Abstract: The present invention relates to liposomes comprising novel peptide antigens which play a role in regulating human immunity against hepatitis B virus, more specifically, to peptide groups corresponding to epitopes of antigens derived from X protein of HBV which induce cycotoxic T lymphocytes against the virus or immunological tolerance to the virus, and pH-sensitive liposomes comprising said peptide groups to induce cellular immunity so that CTLs specific to the virus can be produced. Since peptide antigens derived from X protein such as X3, X4, X5, X6 and X7 activate CTL which can recognize HBV antigens present in human body, and can also be recognized by the CTL, the said liposomes can be used for the development of proposed therapeutic agents for the prevention and treatment of HBV-associated diseases.
    Type: Application
    Filed: November 20, 2001
    Publication date: October 17, 2002
    Applicant: Mogam Biotechnology Research Institute
    Inventors: Tae-Yeon Kim, Ki-Young Lee, Jin-Soo Chang, Sung-Yoo Cho, Yu-Kyeong Hwang, Myeong-Jun Choi, Hong-Seok Cheong
  • Patent number: 6380359
    Abstract: The present invention relates to liposomes comprising novel peptide antigens which play a role in regulating human immunity against hepatitis B virus, more specifically, to peptide groups corresponding to epitopes of antigens derived from X protein of HBV which induce cytotoxic T lymphocytes against the virus or immunological tolerance to the virus, and pH-sensitive liposomes comprising said peptide groups to induce cellular immunity so that CTLs specific to the virus can be produced. Since peptide antigens derived from X protein such as X3, X4, X5, X6 and X7 activate CTL which can recognize HBV antigens present in human body, and can also be recognized by the CTL, the liposomes can be used for the development of proposed therapeutic agents for the prevention and treatment of HBV-associated diseases.
    Type: Grant
    Filed: March 30, 1998
    Date of Patent: April 30, 2002
    Assignee: Mogam Biotechnology Research Institute
    Inventors: Tae-Yeon Kim, Ki-Young Lee, Jin-Soo Chang, Sung-Yoo Cho, Yu-Kyeong Hwang, Myeong-Jun Choi, Hong-Seok Cheong