Patents by Inventor Katsumobu Ohara

Katsumobu Ohara 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: 4252883
    Abstract: An electrophotographic photosensitive member is prepared by dispersing photoconductive particle in a binder resin in a solvent and forming a photoconductive film by removing the solvent. Transition temperature of the binder resin and the preparation temperature are to be selected in such a way that the balance between these temperatures is within a certain range.
    Type: Grant
    Filed: February 13, 1980
    Date of Patent: February 24, 1981
    Assignee: Canon Kabushiki Kaisha
    Inventors: Noboru Komura, Hirokazu Negishi, Katsumobu Ohara, Yoshitaka Ohori