Patents by Inventor Yoshitake Yoshihiro

Yoshitake Yoshihiro 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).

  • Method for producing support for electrophotographic material and electrostatic recording material
    Patent number: 3935335
    Abstract: A support for electrophotographic material and electrostatic recording material which is improved in solvent resistance and electroconductivity can be produced by firstly fixing an anionic sizing agent into an untreated paper and then fixing a cationic high polymer electroconducting agent into thus treated paper or coating the same thereon. Preferably, the first step is carried out by size pressing.
    Type: Grant
    Filed: April 10, 1974
    Date of Patent: January 27, 1976
    Assignee: Mitsubishi Paper Mills, Ltd.
    Inventors: Isamu Maruyama, Shigeyoshi Suzuki, Yoshitake Yoshihiro