Patents by Inventor Toshiki NISHIURA

Toshiki NISHIURA 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).

  • CYCLIC AZINE COMPOUND, MATERIAL FOR ORGANIC LIGHT EMITTING DIODE, ELECTRON TRANSPORT MATERIAL FOR ORGANIC LIGHT EMITTING DIODE, AND ORGANIC LIGHT EMITTING DIODE
    Publication number: 20220274952
    Abstract: An object of the present invention is to provide a cyclic azine compound exhibiting both excellent driving voltage characteristics and excellent current efficiency characteristics. The desired cyclic azine compound has a specific structure represented by formula (1).
    Type: Application
    Filed: July 22, 2020
    Publication date: September 1, 2022
    Applicants: TOSOH CORPORATION, SAGAMI CHEMICAL RESEARCH INSTITUTE
    Inventors: Naoki UCHIDA, Hidenori AIHARA, Takuya YAMAGATA, Naoki HAYAKAWA, Natsumi NAKAJIMA, Kazuki HATTORI, Fuminari UEHARA, Yohei ONO, Masaya HIRANO, Yuta MORINAKA, Keisuke NOMURA, Eriko OHTA, Tomohiro SHONO, Kana OIKE, Kazushi HAYASHI, Keiya AOYAGI, Kosuke SATO, Toshiki NISHIURA