Patents by Inventor Takuto FUKAMI

Takuto FUKAMI 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: 20240140904
    Abstract: A compound represented by the following formula (1): One of R1 and R2 is a methyl group, and the other is an unsubstituted phenyl group, and R1 and R2 are not bonded to each other and therefore do not form a ring structure. One of R3 and R4 is a methyl group, and the other is an unsubstituted phenyl group, and R3 and R4 are not bonded to each other and therefore do not form a ring structure. R11 to R18, and R21 to R28 are hydrogen atoms, provided that, one selected from R11 to R18 is a single bond bonded to *a, and one selected from R21 to R28 is a single bond bonded to *b. L1 and L2 are each independently a single bond, or a substituted or unsubstituted phenylene group.
    Type: Application
    Filed: March 30, 2022
    Publication date: May 2, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Tasuku HAKETA, Shota TANAKA, Yusuke TAKAHASHI, Takuto FUKAMI, Tsukasa SAWATO
  • Publication number: 20240032416
    Abstract: Provided are a compound that further improves the performance of an organic EL device, an organic electroluminescent device having further improved device performance, and an electronic device including the organic electroluminescent device. A compound represented by the following formula (1): wherein in the formula (1) and formulas (1-a) to (1-d), N*, *p, *q, *r, *s, Ar, **, and X are as defined in the description; an organic electroluminescent device including the compound; and an electronic device including the organic electroluminescent device.
    Type: Application
    Filed: November 26, 2021
    Publication date: January 25, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Tasuku HAKETA, Kengo KISHINO, Shota TANAKA, Yusuke TAKAHASHI, Takuto FUKAMI, Tsukasa SAWATO
  • Publication number: 20230422606
    Abstract: Provided are a compound that further improves the performance of an organic EL device, an organic electroluminescent device having further improved device performance, and an electronic device including the organic electroluminescent device. The compound is represented by the following formula (1): wherein each of the symbols in the formula (1) is defined in the description. The organic electroluminescent device includes the compound; and the electronic device includes the organic electroluminescent device.
    Type: Application
    Filed: November 26, 2021
    Publication date: December 28, 2023
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tasuku HAKETA, Takuto FUKAMI, Shota TANAKA, Yusuke TAKAHASHI, Tsukasa SAWATO
  • Publication number: 20230413664
    Abstract: Provided are a compound that further improves the performance of an organic EL element, an organic electroluminescent element having further improved element performance, and an electronic device including the organic electroluminescent element. A compound represented by the following formula (1): wherein each of the symbols in the formula (1) is defined in the description; an organic electroluminescent element including the compound; and an electronic device including the organic electroluminescent element.
    Type: Application
    Filed: November 26, 2021
    Publication date: December 21, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Tasuku HAKETA, Takuto FUKAMI, Shota TANAKA, Yusuke TAKAHASHI, Tsukasa SAWATO
  • Publication number: 20230329025
    Abstract: An organic electroluminescence device includes: an emitting zone provided between an anode and a cathode; and a hole transporting zone provided between the anode and the emitting zone. The emitting zone includes at least one emitting layer, and a first host material, a second host material, and an emitting compound are contained in a single emitting layer included in the at least one emitting layer. The first host material and the second host material are each independently a compound represented by a formula (1). The first host material and the second host material are mutually different. At least one organic layer included in the hole transporting zone contains a third compound represented by a formula (EB1).
    Type: Application
    Filed: March 13, 2023
    Publication date: October 12, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Hiroaki ITOI, Yusuke TAKAHASHI, Shota TANAKA, Takuto FUKAMI, Tsukasa SAWATO
  • Publication number: 20230301176
    Abstract: Provided are a compound that further improves the performance of an organic EL device, the organic electroluminescence device with more improved device performance, and electronic device including such an organic electroluminescence device, in which the compound is represented by the following formula (1): (each symbol in the formula (1) is as defined in the specification), the organic electroluminescence device contains the compound, and the electronic device includes the organic electroluminescence device.
    Type: Application
    Filed: October 28, 2022
    Publication date: September 21, 2023
    Applicants: IDEMITSU KOSAN CO.,LTD., National University Corporation Tokai National Higher Education and Research System
    Inventors: Tsukasa SAWATO, Keita SEDA, Tasuku HAKETA, Yusuke TAKAHASHI, Shota TANAKA, Takuto FUKAMI, Hideto ITO, Kenichiro ITAMI
  • Publication number: 20230301177
    Abstract: A compound represented by the following formula (1): where the symbols in the formula (1) are defined in the description, an organic electroluminescent device containing the compound, and an electronic device including the organic electroluminescent device.
    Type: Application
    Filed: March 14, 2023
    Publication date: September 21, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Takeshi IKEDA, Takuto FUKAMI, Hiroaki ITOI, Yusuke TAKAHASHI, Shota TANAKA, Yongguk LEE, Tsukasa SAWATO
  • Publication number: 20230180597
    Abstract: The invention provides a compound capable of improving more the capabilities of organic EL devices, an organic electroluminescent device having more improved device capabilities, and an electronic device including such an organic electroluminescent device. The compound is represented by the following formula (1): wherein N*, *a1 to *a3, *b1 to *b3, m1 to m3, n1 to n3, R1A to R5A, R1B to R5B, R11A to R15A, R11B to R15B, R21A to R25A, R21B to R25B, R31 to R35, R36 to R38, R39 to R42, R43 to R47, Ar1 and Ar2 are as defined in the specification; the organic electroluminescent device includes the compound; and the electronic device includes such an organic electroluminescent device.
    Type: Application
    Filed: October 26, 2022
    Publication date: June 8, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Shota TANAKA, Yusuke TAKAHASHI, Tasuku HAKETA, Hiroaki ITOI, Takuto FUKAMI, Tsukasa SAWATO
  • Publication number: 20220324804
    Abstract: To provide a compound for further improving the capability of an organic EL device, an organic electroluminescent device having a further improved device capability, and an electronic device including the organic electroluminescent device, and to provide a compound represented by the following formula (1) or formula (2) (wherein each symbol in each formula is as defined in the description), an organic electroluminescent device containing the compound, and an electronic device including the organic electroluminescent device.
    Type: Application
    Filed: March 30, 2022
    Publication date: October 13, 2022
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Tasuku HAKETA, Kiyoshi IKEDA, Shota TANAKA, Yusuke TAKAHASHI, Takuto FUKAMI, Tsukasa SAWATO