Patents by Inventor Hidetsugu Ikeda

Hidetsugu Ikeda 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: 20210066599
    Abstract: A compound represented by the following formula (1), wherein one or more pairs among R12 and R13, R13 and R14, R14 and R15, R16 and R17, R17 and R18, and R18 and R19 independently form a ring represented by the following formula (2A) or a ring represented by the following formula (2B), or do not form a ring represented by the following formula (2A) and do not form a ring represented by the following formula (2B); and one of R12 to R28 is bonded with L2.
    Type: Application
    Filed: December 28, 2018
    Publication date: March 4, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Yuki NAKANO, Ryota TAKAHASHI, Keita SEDA, Tomoki KATO, Hidetsugu IKEDA, Thomas SCHAEFER, Peter MURER, Carsten ROTHE
  • Publication number: 20210062078
    Abstract: A compound represented by the following formula (1), wherein in the formula (1), at least one of R1 to R8 is a group represented by the following formula (2).
    Type: Application
    Filed: December 28, 2018
    Publication date: March 4, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Tomoki KATO, Keita SEDA, Ryota TAKAHASHI, Hidetsugu IKEDA, Yuki NAKANO, Thomas SCHAEFER, Peter MURER, Carsten ROTHE
  • Publication number: 20200377513
    Abstract: A compound represented by the following formula (1):
    Type: Application
    Filed: October 31, 2018
    Publication date: December 3, 2020
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Keita SEDA, Ryota TAKAHASHI, Yuki NAKANO, Yuichiro KAWAMURA, Hidetsugu IKEDA
  • Publication number: 20200266361
    Abstract: A compound represented by formula (1) as defined, wherein in any one pair selected from R4 and R5, R5 and R6, and R6 and R7, one member represents a single bond bonded to *a of a group represented by the formula (11), and the other member represents a single bond bonded to *b, in any one pair selected from R1 and R2, R2 and R3, R8 and R9, R9 and R10, and R10 and R11, one member represents a single bond bonded to *a of a group represented by the formula (11) and the other member represents a single bond bonded to *b, or one member represents a single bond bonded to *c of a group represented by the formula (21), and the other member represents a single bond bonded to *d, and R1 to R11 except for the single bonds, Ar, and R21 to R24 are defined.
    Type: Application
    Filed: October 9, 2018
    Publication date: August 20, 2020
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Ryota TAKAHASHI, Hidetsugu IKEDA, Yuki NAKANO
  • Publication number: 20200212315
    Abstract: An organic electroluminescence device includes: an anode; a cathode and a first organic layer between the anode and the cathode, the first organic layer containing a first compound represented by a formula (2) below. In the formula (2), at least one combination of adjacent two or more of R201 to R216 is mutually bonded to form a saturated ring, mutually bonded to form an unsaturated ring, or not mutually bonded, and R201 to R216 forming neither the saturated ring nor the unsaturated ring each independently represent a hydrogen atom, a substituted or unsubstituted alkyl group, or the like.
    Type: Application
    Filed: December 25, 2019
    Publication date: July 2, 2020
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Ryota TAKAHASHI, Hidetsugu IKEDA, Taro YAMAKI, Keita SEDA, Yuki NAKANO
  • Patent number: 10680181
    Abstract: An organic electroluminescence device comprising: a cathode, an anode, and at least one organic layer disposed between the cathode and the anode, wherein at least one layer of the at least one organic layer comprises a compound represented by the following formulas (1-1) and (1-3) or a compound represented by the following formulas (1-2) and (1-3).
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: June 9, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryota Takahashi, Hidetsugu Ikeda, Keita Seda, Yuki Nakano
  • Patent number: 10672989
    Abstract: Disclosed is a compound useful as a material for an organic electroluminescence device with high luminous efficiency.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: June 2, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryota Takahashi, Hidetsugu Ikeda, Keita Seda, Yuki Nakano
  • Patent number: 10658594
    Abstract: To provide an organic electroluminescence device having a high luminous efficiency and a novel compound that can be used as a material for an organic electroluminescence device having a high luminous efficiency. A compound represented by the following formula (1) or (2): wherein in the formulas (1) and (2), one or more pairs of adjacent two or more of R1 to R7 and R10 to R16 may form a substituted or unsubstituted, saturated or unsaturated ring; R17, and R1 to R7 and R10 to R16 that do not form the substituted or unsubstituted, saturated or unsaturated ring are independently a hydrogen atom, a substituted or unsubstituted aryl group including 6 to 20 ring carbon atoms or a substituted or unsubstituted monovalent heterocyclic group including 5 to 20 ring atoms; two R17s may be the same or different; and Ar1 to Ar4 are independently a substituted or unsubstituted aryl group including 6 to 20 ring carbon atoms.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: May 19, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryota Takahashi, Hidetsugu Ikeda, Keita Seda, Yuki Nakano
  • Publication number: 20200098994
    Abstract: To provide a compound represented by the following formula (1-5). Two of *1 are fused with a group represented by the formula (1A) to form a nitrogen atom-containing five-membered ring; and two of *2 are fused with a group represented by the formula (1A), which is different from the group bonded with the two of *1, to form a nitrogen atom-containing five-membered ring.
    Type: Application
    Filed: March 15, 2019
    Publication date: March 26, 2020
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Ryota TAKAHASHI, Hidetsugu IKEDA, Yuki NAKANO, Keita SEDA
  • Patent number: 10593889
    Abstract: To provide a compound represented by the following formula (1-5). Two of *1 are fused with a group represented by the formula (1A) to form a nitrogen atom-containing five-membered ring; and two of *2 are fused with a group represented by the formula (1A), which is different from the group bonded with the two of *1, to form a nitrogen atom-containing five-membered ring.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: March 17, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryota Takahashi, Hidetsugu Ikeda, Yuki Nakano, Keita Seda
  • Publication number: 20200052225
    Abstract: Organic EL devices having excellent performance and electronic devices comprising the organic EL devices are provided. The organic EL device comprises a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises one or more layers that comprise a fluorescent emitting layer and the fluorescent emitting layer comprises a first compound represented by formula (P) and a second compound that is not the same as the first compound. The electronic device comprises the organic EL device. wherein, ?1, ?2, Z, RB, RC, m, and n are as defined in the description.
    Type: Application
    Filed: February 13, 2018
    Publication date: February 13, 2020
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryota TAKAHASHI, Satomi TASAKI, Yuichiro KAWAMURA, Hidetsugu IKEDA, Yuki NAKANO, Masakazu FUNAHASHI, Tomoki KATO
  • Publication number: 20190393429
    Abstract: An organic electroluminescence device comprising: a cathode, an anode, and at least one organic layer disposed between the cathode and the anode, wherein at least one layer of the at least one organic layer comprises a compound represented by the following formulas (1-1) and (1-3) or a compound represented by the following formulas (1-2) and (1-3).
    Type: Application
    Filed: September 6, 2019
    Publication date: December 26, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryota TAKAHASHI, Hidetsugu IKEDA, Keita SEDA, Yuki NAKANO
  • Publication number: 20190355914
    Abstract: An organic electroluminescence device comprising: a cathode, an anode, and at least one organic layer disposed between the cathode and the anode, wherein at least one layer of the at least one organic layer comprises a compound represented by the following formulas (1-1) and (1-3) or a compound represented by the following formulas (1-2) and (1-3).
    Type: Application
    Filed: August 5, 2019
    Publication date: November 21, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryota TAKAHASHI, Hidetsugu IKEDA, Keita SEDA, Yuki NAKANO
  • Publication number: 20190341556
    Abstract: An organic electroluminescence device comprising: a cathode, an anode, and at least one organic layer disposed between the cathode and the anode, wherein at least one layer of the at least one organic layer comprises a compound represented by the following formulas (1-1) and (1-3) or a compound represented by the following formulas (1-2) and (1-3).
    Type: Application
    Filed: December 5, 2018
    Publication date: November 7, 2019
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Ryota TAKAHASHI, Hidetsugu IKEDA, Keita SEDA, Yuki NAKANO
  • Publication number: 20190221747
    Abstract: To provide an organic electroluminescence device having a high luminous efficiency and a novel compound that can be used as a material for an organic electroluminescence device having a high luminous efficiency. A compound represented by the following formula (1) or (2): wherein in the formulas (1) and (2), one or more pairs of adjacent two or more of R1 to R7 and R10 to R16 may form a substituted or unsubstituted, saturated or unsaturated ring; R17, and R1 to R7 and R10 to R16 that do not form the substituted or unsubstituted, saturated or unsaturated ring are independently a hydrogen atom, a substituted or unsubstituted aryl group including 6 to 20 ring carton atoms or a substituted or unsubstituted monovalent heterocyclic group including 5 to 20 ring atoms; two R17s may be the same or different; and Ar1 to Ar4 are independently a substituted or unsubstituted aryl group including 6 to 20 ring carbon atoms.
    Type: Application
    Filed: November 27, 2018
    Publication date: July 18, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryota TAKAHASHI, Hidetsugu IKEDA, Keita SEDA, Yuki NAKANO
  • Publication number: 20190214579
    Abstract: A compound represented by the formula (1) below. At least one set of two or more adjacent groups among R1 to R11 forms a substituted or unsubstituted heterocyclic ring, or forms a ring represented by the formula (2) below, or at least one of R1 to R4 is a group represented by the formula (3) below.
    Type: Application
    Filed: December 27, 2018
    Publication date: July 11, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Keita SEDA, Ryota TAKAHASHI, Tomoki KATO, Hidetsugu IKEDA, Yuki NAKANO
  • Publication number: 20190194215
    Abstract: To provide an organic electroluminescence device having a high luminous efficiency and a novel compound that can be used as a material for an organic electroluminescence device having a high luminous efficiency. A compound represented by the following formula (1) or (2): wherein in the formulas (1) and (2), one or more pairs of adjacent two or more of R1 to R7 and R10 to R16 may form a substituted or unsubstituted, saturated or unsaturated ring; R17, and R1 to R7 and R10 to R16 that do not form the substituted or unsubstituted, saturated or unsaturated ring are independently a hydrogen atom, a substituted or unsubstituted aryl group including 6 to 20 ring carbon atoms or a substituted or unsubstituted monovalent heterocyclic group including 5 to 20 ring atoms; two R17s may be the same or different; and Ar1 to Ar4 are independently a substituted or unsubstituted aryl group including 6 to 20 ring carbon atoms.
    Type: Application
    Filed: March 1, 2019
    Publication date: June 27, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryota TAKAHASHI, Hidetsugu IKEDA, Keita SEDA, Yuki NAKANO
  • Patent number: 10249832
    Abstract: To provide an organic electroluminescence device having a high luminous efficiency and a novel compound that can be used as a material for an organic electroluminescence device having a high luminous efficiency. A compound represented by the following formula (3-I), wherein at least one of R1 to R7 and R10 to R11 is —N(R36)(R37). R31 to R37 are independently a hydrogen atom, a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms, a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms, a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms or a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: April 2, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryota Takahashi, Hidetsugu Ikeda, Keita Seda, Yuki Nakano
  • Publication number: 20190097142
    Abstract: A novel compound capable of producing an organic electroluminescence (EL) device with excellent properties, an organic EL device comprising the compound, and an electronic device comprising the organic EL device are provided. A compound represented by formula (1), an organic EL device comprising the compound, an organic EL device comprising an organic thin film layer between a cathode and an anode, wherein the organic thin film layer comprises one or more layers and a light emitting layer and at least one layer of the organic thin film layer comprises the compound, and an electronic device comprising the organic EL device: wherein A, B, C, and R1 to R11 are as defined in the description.
    Type: Application
    Filed: November 27, 2018
    Publication date: March 28, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryota TAKAHASHI, Tomoki KATO, Hidetsugu IKEDA
  • Patent number: 10230058
    Abstract: A novel compound capable of producing an organic electroluminescence (EL) device with excellent properties, an organic EL device comprising the compound, and an electronic device comprising the organic EL device are provided. A compound represented by formula (1), an organic EL device comprising the compound, an organic EL device comprising an organic thin film layer between a cathode and an anode, wherein the organic thin film layer comprises one or more layers and a light emitting layer and at least one layer of the organic thin film layer comprises the compound, and an electronic device comprising the organic EL device: wherein A, B, C, and R1 to R11 are as defined in the description.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: March 12, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryota Takahashi, Tomoki Kato, Hidetsugu Ikeda