Patents by Inventor Masakaza Funahashi

Masakaza Funahashi 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).

  • AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING THE SAME
    Publication number: 20110233534
    Abstract: An aromatic amine derivative represented by the following formula (1); wherein Ar1 to Ar4 are independently a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 5 to 20 ring carbon atoms and at least one of Ar1 to Ar4 has a substituted or unsubstituted silyl group; Ar5 is a substituted or unsubstituted arylene group having 6 to 20 ring carbon atoms or a substituted or unsubstituted heteroarylene group having 5 to 20 ring carbon atoms; and L is a group represented by the following formula (A) or (B);
    Type: Application
    Filed: October 28, 2009
    Publication date: September 29, 2011
    Inventors: Yumiko Mizuki, Mitsunori Ito, Masakaza Funahashi