Patents by Inventor Tadafumi Matsunaga

Tadafumi Matsunaga 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).

  • METAL COMPLEX AND USE THEREOF
    Publication number: 20090062110
    Abstract: A polynuclear metal complex having in each molecule not only at least one large cyclic ligand having 5 to 15 coordinating atoms but also multiple metal atoms is subjected to any of heating treatment, radiation exposure treatment and electric discharge treatment, thereby providing a polynuclear metal complex exhibiting a ratio of weight loss by the treatment of 5 to 90 wt. % and a carbon content after the treatment of 5 wt. % or more.
    Type: Application
    Filed: January 1, 2007
    Publication date: March 5, 2009
    Applicant: Sumitomo Chemical company Limited
    Inventors: Nobuyoshi Koshino, Takeshi Ishiyama, Tadafumi Matsunaga, Hideyuki Higashimura