Patents by Inventor Kazunari M. Yagi

Kazunari M. Yagi 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 electroluminescent device
    Patent number: 9472769
    Abstract: An organic electroluminescent device is provided and includes: a pair of electrodes; and at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer. The at least one organic layer contains an indole compound represented by formula (1): in which Ind101 represents a substituted or unsubstituted indole ring, L101 represents a linking group, Ind101 and L101 are connected to each other at 2- or 3-position of Ind101, and n101 represents an integer of 2 or more.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: October 18, 2016
    Assignee: UDC Ireland Limited
    Inventors: Kazunari M. Yagi, Ryo Nishio
  • Organic Electroluminescent Device
    Publication number: 20150263296
    Abstract: An organic electroluminescent device is provided and includes: a pair of electrodes; and at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer. The at least one organic layer contains an indole compound represented by formula (1): in which Ind101 represents a substituted or unsubstituted indole ring, L101 represents a linking group, Ind101 and L101 are connected to each other at 2- or 3-position of Ind101, and n101 represents an integer of 2 or more.
    Type: Application
    Filed: November 17, 2014
    Publication date: September 17, 2015
    Inventors: Kazunari M. Yagi, Ryo Nishio