Patents by Inventor Mitsunori Ito

Mitsunori Ito 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).

  • Patent number: 12297214
    Abstract: Provided are a condensed cyclic compound represented by Formula 1-1 or 1-2, an organic light-emitting device including the condensed cyclic compound, and an electronic apparatus including the organic light-emitting device: wherein Formulae 1-1 and 1-2 are the same as described in the present specification.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: May 13, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wataru Sotoyama, Soonok Jeon, Rie Sakurai, Katsunori Shibata, Atsushi Imamura, Juhyun Kim, Mitsunori Ito, Eigo Miyazaki, Joonghyuk Kim
  • Publication number: 20250089552
    Abstract: Provided are a composition and an organic light-emitting device including the same, wherein the composition includes a platinum-containing organometallic compound, a first compound, a second compound, and a third compound.
    Type: Application
    Filed: November 12, 2024
    Publication date: March 13, 2025
    Inventors: Myungsun SIM, Sunghun LEE, Yoonhyun KWAK, Jiwhan KIM, Jeoungin YI, Mitsunori ITO, Wataru SOTOYAMA, Kum Hee LEE, Byoungki CHOI, Sunghyun JUNG, Dalho HUH, Hyungsun KIM
  • Patent number: 12240817
    Abstract: Provided are a heterocyclic compound represented by Formula 1 and Formula 2, an organic light-emitting device including the heterocyclic compound, and an electronic apparatus including the organic light-emitting device: wherein, in Formula 1 and Formula 2, the substituents may be understood by referring to the detailed description.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: March 4, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eigo Miyazaki, Satoshi Inayama, Atsushi Imamura, Hosuk Kang, Sangmo Kim, Mitsunori Ito
  • Patent number: 12178122
    Abstract: Provided is a compound that has a long pot life of a solution and is able to achieve low driving voltage, high efficiency, and long lifespan of an organic electroluminescent device. The present disclosure relates to a compound having a triphenyl triazine structural moiety and including a group that has a structure in which a substituted or unsubstituted carbazole group and a predetermined number of carbazole rings are directly bonded via a single bond, as described in the specification.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: December 24, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Keisuke Korai, Atsushi Imamura, Jhunmo Son, Masaru Kinoshita, Mitsunori Ito, Norifumi Kishi, Rie Sakurai, Shiro Irisa, Masaki Numata
  • Patent number: 12178117
    Abstract: Provided are a composition and an organic light-emitting device including the same, wherein the composition includes a platinum-containing organometallic compound, a first compound, a second compound, and a third compound.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: December 24, 2024
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Myungsun Sim, Sunghun Lee, Yoonhyun Kwak, Jiwhan Kim, Jeoungin Yi, Mitsunori Ito, Wataru Sotoyama, Kum Hee Lee, Byoungki Cho, Sunghyun Jung, Dalho Huh, Hyungsun Kim
  • Publication number: 20240365663
    Abstract: A blue luminescent compound including a nitrogen-containing aromatic heterocyclic skeleton and at least two aromatic substituents bonded to the nitrogen-containing aromatic heterocyclic skeleton, wherein the nitrogen-containing aromatic heterocyclic skeleton includes, as substituents, four branched or cyclic alkyl groups each having 3 to 20 carbon atoms, and the nitrogen-containing aromatic heterocyclic skeleton and the at least two aromatic substituents are not located on a same plane.
    Type: Application
    Filed: April 17, 2024
    Publication date: October 31, 2024
    Inventors: Tomoya Hirose, Eigo Miyazaki, Atsushi Imamura, Mitsunori Ito
  • Publication number: 20240357928
    Abstract: A compound represented by Formula (1): wherein in Formula (1) groups are variables are the same as described in the specification.
    Type: Application
    Filed: April 9, 2024
    Publication date: October 24, 2024
    Inventors: Eigo MIYAZAKI, Rie SAKURAI, Atsushi IMAMURA, Mitsunori ITO
  • Patent number: 12060344
    Abstract: A heterocyclic compound represented by Formula 1, a composition including the same, and an organic light-emitting device including the heterocyclic compound: L1 to L4, L11, a1 to a4, a11, Ar1, Ar2, Ar11, R1 to R7, R11 to R12, b1 to b7, and b11 to b12 are described in the specification.
    Type: Grant
    Filed: October 26, 2022
    Date of Patent: August 13, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Masaki Numata, Rie Sakurai, Keisuke Korai, Mitsunori Ito, Shiro Irisa, Norihito Ishii
  • Patent number: 11925106
    Abstract: A condensed cyclic compound represented by Formula 1, a composition including the same, and an organic light-emitting device including the condensed cyclic compound: wherein R1-R6, L1-L2, Ar1, n1, a1-a2, and b3-b6 are described in the specification.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Masaki Numata, Mitsunori Ito
  • Publication number: 20230292607
    Abstract: A condensed cyclic compound represented by Formula 1 and including 9 to 60 aromatic rings: wherein A, L, and n are the same as described in the specification.
    Type: Application
    Filed: May 19, 2023
    Publication date: September 14, 2023
    Inventor: Mitsunori ITO
  • Patent number: 11706977
    Abstract: A heterocyclic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: July 18, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Satoshi Inayama, Shiro Irisa, Keisuke Korai, Rie Sakurai, Mitsunori Ito, Masaki Numata
  • Patent number: 11700767
    Abstract: A condensed cyclic compound represented by Formula 1 and including 9 to 60 aromatic rings: A is a group represented by Formula 10, n is selected from 1, 2, 3, and 4, L is hydrogen, a single bond or a linking group, and when n is 1, p is selected from 1, 2, 3, and 4, and q is selected from 1, 2, 3, and 4, wherein Formula 10 is the same as described in the specification.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: July 11, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Mitsunori Ito
  • Patent number: 11697645
    Abstract: A heterocyclic compound, a composition including the heterocyclic compound, and an organic light-emitting device including the heterocyclic compound are disclosed. The heterocyclic compound is represented by Formula 1: wherein, X1, L1, a1, Ar1, R1 to R6, b3, b4, and b5 are described herein.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: July 11, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Masaki Numata, Mitsunori Ito, Norihito Ishii, Rie Sakurai
  • Publication number: 20230140682
    Abstract: A heterocyclic compound represented by Formula 1, a composition including the same, and an organic light-emitting device including the heterocyclic compound: L1 to L4, L11, a1 to a4, a11, Ar1, Ar2, Ar11, R1 to R7, R11 to R12, b1 to b7, and b11 to b12 are described in the specification.
    Type: Application
    Filed: October 26, 2022
    Publication date: May 4, 2023
    Inventors: Masaki NUMATA, Rie SAKURAI, Keisuke KORAI, Mitsunori ITO, Shiro IRISA, Norihito ISHII
  • Publication number: 20230126543
    Abstract: Provided are a heterocyclic compound represented by Formula 1, an organic light-emitting device including the same, and an electronic apparatus including the organic light-emitting device: The substituents in Formula 1 are the same as described in the detailed description.
    Type: Application
    Filed: August 29, 2022
    Publication date: April 27, 2023
    Inventors: Shiro IRISA, Wataru SOTOYAMA, Eigo MIYAZAKI, Atsushi IMAMURA, Masaru KINOSHITA, Mitsunori ITO
  • Publication number: 20230075211
    Abstract: Provided are a condensed cyclic compound represented by Formula 1-1 or 1-2, an organic light-emitting device including the condensed cyclic compound, and an electronic apparatus including the organic light-emitting device: wherein Formulae 1-1 and 1-2 are the same as described in the present specification.
    Type: Application
    Filed: August 12, 2021
    Publication date: March 9, 2023
    Inventors: Wataru SOTOYAMA, Soonok Jeon, Rie Sakurai, Katsunori SHIBATA, Atsushi Imamura, Juhyun Kim, Mitsunori Ito, Eigo Miyazaki, Joonghyuk Kim
  • Patent number: 11542252
    Abstract: A heterocyclic compound represented by Formula 1, a composition including the same, and an organic light-emitting device including the heterocyclic compound: L1 to L4, L11, a1 to a4, a11, Ar1, Ar2, Ar11, R1 to R7, R11 to R12, b1 to b7, and b11 to b12 are described in the specification.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Masaki Numata, Rie Sakurai, Keisuke Korai, Mitsunori Ito, Shiro Irisa, Norihito Ishii
  • Patent number: 11456421
    Abstract: Anthracene derivatives each having a structure including an anthracene skeleton, a phenanthrene skeleton selected from among various phenanthrene skeletons different in bonding site which is bonded to the 9-position of the anthracene skeleton and a group selected from among various aryl groups and so on which is bonded to the 10-position of the anthracene skeleton. Organic EL devices made by using the derivatives exhibit high light emission efficiency and a long life.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: September 27, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Masahiro Kawamura, Mitsunori Ito
  • Publication number: 20220213022
    Abstract: Provided is a compound represented by Chemical Formula 1 capable of manufacturing an EL device by inkjet printing. In Chemical Formula 1, n is an integer of greater than or equal to 3 and less than or equal to 10, X is a group represented by Chemical Formula 2 and a plurality of X's may be the same or different from each other, and Y is a group represented by Chemical Formula 3 and a plurality of Y's may be the same or different from each other.
    Type: Application
    Filed: December 23, 2021
    Publication date: July 7, 2022
    Inventors: Fumiaki KATO, Tomoyuki KIKUCHI, Hiroko ENDO, Keigo FURUTA, Keisuke KORAI, Mitsunori ITO, Naotoshi SUGANUMA, Takao MOTOYAMA, Dae Young CHUNG, Eun Joo JANG, Ha Il KWON, Hyo Sook JANG, Soonmin CHA, Tae Ho KIM
  • Publication number: 20220213113
    Abstract: The present disclosure relates to a nitrogen-containing condensed cyclic compound having a particular structure and satisfying a particular condition. The present disclosure also relates to a fluorescence emitter that includes the nitrogen-containing condensed cyclic compound having a particular structure and is used together with a phosphorescent complex. In addition, the present disclosure relates to a material for the organic electroluminescent device, including the nitrogen-containing condensed cyclic compound having a particular structure and a phosphorescent complex. Moreover, the present disclosure relates to an organic electroluminescent device including the nitrogen-containing condensed cyclic compound, the fluorescence emitter, and the material for an organic electroluminescent device.
    Type: Application
    Filed: December 27, 2021
    Publication date: July 7, 2022
    Inventors: Norifumi KISHI, Mitsunori ITO, Atsushi IMAMURA, Eigo MIYAZAKI, Joonghyuk KIM, Inkoo KIM, Masaru KINOSHITA, Soonok JEON, Wataru SOTOYAMA, Yongsik JUNG