Patents by Inventor Masahumi Sano

Masahumi Sano 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).

  • Polysilane compositions
    Patent number: 5358987
    Abstract: A new polysilane composition usable as an organic semiconductor which contains a specific polysilane compound of 6000 to 200000 in a weight average molecular weight in which all the substitutional groups and end groups being substituted by specific organic groups not containing oxygen atom, said polysilane compound not containing chlorine atom, and an acceptor level forming material or/and a donor level forming material.
    Type: Grant
    Filed: June 12, 1992
    Date of Patent: October 25, 1994
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahiro Kanai, Hisami Tanaka, Harumi Sakou, Tatuyuki Aoike, Kouichi Matuda, Keishi Saitou, Mituyuki Niwa, Masahumi Sano