Patents by Inventor Shintaro BAN

Shintaro BAN 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: 20240147846
    Abstract: An organic electroluminescent element including, an anode, a cathode, and an organic layer disposed between the anode and the cathode and including a light emitting zone. The organic layer includes a first layer containing a first compound and a second layer containing a second compound. The first layer and the second layer are different layers.
    Type: Application
    Filed: December 8, 2021
    Publication date: May 2, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Shota TANAKA, Shintaro BAN, Satomi TASAKI, Hiroaki ITOI, Tasuku HAKETA, Yuki NAKANO
  • Publication number: 20240090329
    Abstract: A compound includes: at least one group represented by a formula (11) below; and a single benz[de]anthracene derivative skeleton represented by a formula (1000) below in a molecule, in which Ar1 is a substituted or unsubstituted aryl group including at least four rings, at least one of R10 to R19 is a group represented by the formula (11), L1 is a substituted or unsubstituted arylene group having 6 to 15 ring carbon atoms or a substituted or unsubstituted divalent heterocyclic group having 5 to 15 ring atoms, and mx is 1, 2, or 3.
    Type: Application
    Filed: October 1, 2021
    Publication date: March 14, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Hiroaki ITOI, Yuki NAKANO, Taro YAMAKI, Maiko IIDA, Takamoto MORITA, Shintaro BAN, Ryota TAKAHASHI, Yu KUDO, Yoshinao SHIRASAKI
  • Publication number: 20240074311
    Abstract: A compound is represented by a formula (1) below. In the formula (1): R1 to R9, R101 to R108, and R111 to R118 are each independently a hydrogen atom, a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms, or the like; Ar12 is a substituted or unsubstituted aryl group having 10 to 30 ring carbon atoms or the like; p is 0 or 1; q is 0 or 1; and p+q is 1 or 2.
    Type: Application
    Filed: June 13, 2023
    Publication date: February 29, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Shintaro BAN, Yu KUDO, Kei YOSHIDA, Sigma HASHIMOTO, Yoshinao SHIRASAKI
  • Publication number: 20240008363
    Abstract: A compound represented by the following formula (1).
    Type: Application
    Filed: November 17, 2021
    Publication date: January 4, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Hiroaki ITOI, Taro YAMAKI, Maiko IIDA, Shintaro BAN, Takamoto MORITA, Yu KUDO
  • Patent number: 11527720
    Abstract: An organic electroluminescence device includes an emitting region provided between an anode and a cathode, in which the emitting region includes a first emitting layer and a second emitting layer, a ratio DEM1/DEM2 of a film thickness of the first emitting layer DEM1 to a film thickness of the second emitting layer DEM2 is in a range from 2/3 to 3/2, the first emitting layer contains a first host material and a first emitting compound, the second emitting layer contains a second host material and a second emitting compound, and the first host material has a group represented by a formula (10) below and is a compound represented by a formula (1) below.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: December 13, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yu Kudo, Hiroaki Itoi, Shintaro Ban, Taro Yamaki, Takamoto Morita
  • Patent number: 11476424
    Abstract: An organic electroluminescence device includes an emitting region provided between an anode and a cathode, in which the emitting region includes a first emitting layer and a second emitting layer, a ratio DEM1/DEM2 of a film thickness of the first emitting layer DEM1 to a film thickness of the second emitting layer DEM2 is in a range from 2/3 to 3/2, the first emitting layer contains a first host material and a first emitting compound, the second emitting layer contains a second host material and a second emitting compound, and the first host material has a group represented by a formula (10) below and is a compound represented by a formula (1) below.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: October 18, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yu Kudo, Hiroaki Itoi, Shintaro Ban, Taro Yamaki, Takamoto Morita
  • Patent number: 10709688
    Abstract: This invention provides a pharmaceutical composition for treating or preventing synucleinopathy comprising a compound represented by formula (I), or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: July 14, 2020
    Assignees: Tohoku University, National University Corporation Okayama University
    Inventors: Kohji Fukunaga, Hiroyuki Miyachi, Hiroaki Ishida, Shintaro Ban
  • Publication number: 20190125726
    Abstract: This invention provides a pharmaceutical composition for treating or preventing synucleinopathy comprising a compound represented by formula (I), or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: March 31, 2017
    Publication date: May 2, 2019
    Applicants: TOHOKU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION OKAYAMA UNIVERSITY
    Inventors: Kohji Fukunaga, Hiroyuki MIYACHI, Hiroaki ISHIDA, Shintaro BAN