Patents by Inventor Natsuko Sonoda

Natsuko Sonoda 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).

  • Amine compound and uses thereof
    Patent number: 7521567
    Abstract: The objectives of this invention are to extend the range of choosing materials to use in the preparation of photopolymerizable compositions by providing a novel organic compound which absorbs a visible light; or to provide an orgamc material which is useful as host compound in organic electroluminescent devices, as well as its uses: The objectives are attainable by providing an aromatic tertiary amine compound bearing within the same molecule one or more specific atomic groups, a luminescent agent directed to use in organic electroluminescent devices comprising it, and an organic electroluminescent device using such amine compound, as well as its uses.
    Type: Grant
    Filed: July 7, 2004
    Date of Patent: April 21, 2009
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Makoto Fujiwara, Natsuko Sonoda, Makoto Satsuki, Sadaharu Suga, Hisayoshi Fujikawa, Koji Noda, Yasunori Taga
  • Amine compound and uses thereof
    Publication number: 20060226421
    Abstract: The objectives of this invention are to extend the range of choosing materials to use in the preparation of photopolymerizable compositions by providing a novel organic compound which absorbs a visible light; or to provide an organic material which is useful as host compound in organic electroluminescent devices, as well as its uses: The objectives are attainable by providing an aromatic tertiary amine compound bearing within the same molecule one or more specific atomic groups, a luminescent agent directed to use in organic electroluminescent devices comprising it, and an organic electroluminescent device using such amine compound, as well as its uses.
    Type: Application
    Filed: July 7, 2004
    Publication date: October 12, 2006
    Applicant: Kabushiki Kaisha Hayashibara Seibutsu Kenkyujo
    Inventors: Makoto Fujiwara, Natsuko Sonoda, Makoto Satsuki, Sadaharu Suga, Hisayoshi Fujikawa, Koji Noda, Yasunori Taga