Patents by Inventor Hiroshi TAKAlRA

Hiroshi TAKAlRA 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).

  • CHARGE-TRANSPORT MATERIAL AND UTILIZATION THEREOF
    Publication number: 20190382584
    Abstract: A charge transport material containing a charge transport polymer that satisfies at least one of (I) or (II) described below: (I) to independently have both a monovalent substituent having an alicyclic structure of 7 or more carbon atoms, and a monovalent substituent having a carbonyl-containing group; and (II) to have a monovalent substituent that includes a monovalent substituent having an alicyclic structure of 7 or more carbon atoms bonded directly to a carbonyl-containing group.
    Type: Application
    Filed: January 29, 2018
    Publication date: December 19, 2019
    Inventors: Kazuyuki KAMO, Naoki ASANO, Hiroshi TAKAlRA, Iori FUKUSHIMA, Shigeaki FUNYUU