Patents by Inventor Kiyomi Tsukagoshi

Kiyomi Tsukagoshi 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).

  • Method for detecting trace substance using organic electroluminescent device
    Patent number: 7969569
    Abstract: Provided is a detection method and device for analyzing trace substance of interest in a short time and with high accuracy without the need of performing any treatment for binding a fluorescent substance to the substance of interest or using any large apparatus. The substance of interest is detected by being immobilizing on a surface of any one of a hole transport layer, an electron transport layer, a luminescent layer, a buffer layer, and inside surfaces of electrodes for an organic electroluminescent device based on a change in at least one luminescent property selected from luminescence intensity, luminous efficiency, and emission spectrum of the organic electroluminescent device before and after the immobilization of the substance of interest.
    Type: Grant
    Filed: October 15, 2007
    Date of Patent: June 28, 2011
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Wataru Mizutani, Kiyomi Tsukagoshi, Koichi Sakaguchi, Yuuji Yoshida
  • Method for Detecting Trace Substance using Organic Electroluminescent Device
    Publication number: 20100039647
    Abstract: Provided is a detection method and device for analyzing trace substance of interest in a short time and with high accuracy without the need of performing any treatment for binding a fluorescent substance to the substance of interest or using any large apparatus. The substance of interest is detected by being immobilizing on a surface of any one of a hole transport layer, an electron transport layer, a luminescent layer, a buffer layer, and inside surfaces of electrodes for an organic electroluminescent device based on a change in at least one luminescent property selected from luminescence intensity, luminous efficiency, and emission spectrum of the organic electroluminescent device before and after the immobilization of the substance of interest.
    Type: Application
    Filed: October 15, 2007
    Publication date: February 18, 2010
    Applicant: National Institute of Advanced Industrial Science and Technology
    Inventors: Wataru Mizutani, Kiyomi Tsukagoshi, Koichi Sakaguchi, Yuuji Yoshida