Patents by Inventor Naoto NOUTSUKA

Naoto NOUTSUKA 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 metal complex, light emitting material, delayed fluorescent material, and organic light emitting device
    Patent number: 9957260
    Abstract: An organic metal complex represented by the following general formula is useful as a light emitting material for an organic electroluminescent device and others. X represents O, S or —N(R7)—; Y represents O, S or —N(—SO2—R8)—; R1 to R8 represent H, an alkyl group or an aryl group; at least one of Z1 and Z2 represents a phenoxazin-10-yl group, a phenothiazin-10-yl group, a phenazin-10-yl group, etc.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: May 1, 2018
    Assignees: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD., DYDEN CO.
    Inventors: Yumi Sakai, Hiroshi Miyazaki, Chihaya Adachi, Naoto Noutsuka
  • ORGANIC METAL COMPLEX, LIGHT EMITTING MATERIAL, DELAYED FLUORESCENT MATERIAL, AND ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20160185765
    Abstract: An organic metal complex represented by the following general formula is useful as a light emitting material for an organic electroluminescent device and others. X represents O, S or —N(R7)—; Y represents O, S or —N(—SO2—R8)—; R1 to R8 represent H, an alkyl group or an aryl group; at least one of Z1 and Z2 represents a phenoxazin-10-yl group, a phenothiazin-10-yl group, a phenazin-10-yl group, etc.
    Type: Application
    Filed: June 23, 2014
    Publication date: June 30, 2016
    Applicant: DYDEN CO
    Inventors: Yumi SAKAI, Hiroshi MIYAZAKI, Chihaya ADACHI, Naoto NOUTSUKA