Patents by Inventor Mari TORIYA

Mari TORIYA 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).

  • Naphthotriazole derivatives and organic electroluminescence devices
    Patent number: 9871210
    Abstract: Naphthotriazole derivatives represented by the following general formula (1), wherein, Ar1 is an aromatic hydrocarbon group or an aromatic heterocyclic group, and A is a group that contains an aromatic heterocyclic group. The compound features excellent electron injection/transporting capability, a high hole-blocking power and a high stability in the form of a thin film, and can be used as a material for producing highly efficient and highly durable organic electroluminescent devices.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: January 16, 2018
    Assignee: HODOGAYA CHEMICAL CO., LTD.
    Inventors: Makoto Nagaoka, Shigetaka Numazawa, Mari Toriya, Shingo Ozawa, Shigeru Kusano
  • NOVEL NAPHTHOTRIAZOLE DERIVATIVES AND ORGANIC ELECTROLUMINESCENCE DEVICES
    Publication number: 20160005982
    Abstract: Naphthotriazole derivatives represented by the following general formula (1), wherein, Ar1 is an aromatic hydrocarbon group or an aromatic heterocyclic group, and A is a group that contains an aromatic heterocyclic group. The compound features excellent electron injection/transporting capability, a high hole-blocking power and a high stability in the form of a thin film, and can be used as a material for producing highly efficient and highly durable organic electroluminescent devices.
    Type: Application
    Filed: February 20, 2014
    Publication date: January 7, 2016
    Applicant: HODOGAYA CHEMICAL CO., LTD.
    Inventors: Makoto NAGAOKA, Shigetaka NUMAZAWA, Mari TORIYA, Shingo OZAWA, Shigeru KUSANO