Patents by Inventor Nobuhiro Genma

Nobuhiro Genma 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).

  • Patent number: 4987023
    Abstract: An organic thin film device, including first and second organic thin films containing acceptor and doner molecules, respectively, stacked one on another, in which at least one of the first and second organic thin films contains a chemical species having a dipole moment P.sub.2, and the second dipole moment P.sub.2 and a dipole moment P.sub.1 produced by charge transfer between the acceptor and doner molecules satisfy the following formula:(P.sub.1 .multidot.P.sub.2).vertline.r.vertline..sup.2 -3(P.sub.1 .multidot.r)(P.sub.2 .multidot.r)<0wherein r represents a positional relationship between P.sub.1 and P.sub.2. Also disclosed is an organic thin film device, including the first and second organic thin films, and at least one of the first and second organic thin films contains at least one pigment skeleton which is inclined with respect to the lamination direction of the organic thin films.
    Type: Grant
    Filed: March 29, 1989
    Date of Patent: January 22, 1991
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Itsuko Sato, Katsuyuki Naito, Nobuhiro Genma, Makoto Azuma