Patents by Inventor Takishi SHIOMI

Takishi SHIOMI 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).

  • ORGANIC ELECTROLUMINESCENCE ELEMENT AND ELECTRONIC DEVICE
    Publication number: 20240306499
    Abstract: A compound may include partial structures of formula (3-11B) and (31a), mutually bonded in one molecule: R314 being a single bond bonded to * in formula (31a), R300 being independently H or a substituent, or at least one of adjacent pairs of R300 are mutually bonded to form a ring, or R300 is a single bond bonded to another atom/structure in the molecule, one or more R300 is H, at least one of H being D, Y12 to Y16 being independently N, CR31, or C bonded to another atom/structure in the molecule, 1 to 3 of Y12 to Y16 being N, and R31 independently being H or a substituent.
    Type: Application
    Filed: May 20, 2024
    Publication date: September 12, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Takishi SHIOMI, Toshinari OGIWARA, Hiromi NAKANO