Patents by Inventor Takao Takiquchi

Takao Takiquchi 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).

  • Publication number: 20080210930
    Abstract: To provide a novel metal complex suitable as a compound for an organic EL device. A metal complex including a partial structure represented by the following general formula (1): in which R in the general formula (1) has a partial structure represented by the following general formula (2) or (3).
    Type: Application
    Filed: November 29, 2005
    Publication date: September 4, 2008
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Jun Kamatani, Shinjiro Okada, Takao Takiquchi, Minako Nakasu