Patents by Inventor Shigeru Kaminishi

Shigeru Kaminishi 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).

  • Cation exchange polyimide resin and use thereof
    Patent number: 5157055
    Abstract: A cation exchange polyimide resin having resistance to organic solvents which contains polyamidocarboxylic acid units providing sites of ion exchange and represented by the formula (I): ##STR1## wherein R.sup.1 is a tetravalent organic group, and R.sup.2 is a bivalent organic group, which is capable of trapping cations from organic solvents.
    Type: Grant
    Filed: June 4, 1991
    Date of Patent: October 20, 1992
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yoshiro Akagi, Koji Ohoka, Shigeru Kaminishi, Hiroshi Taniguchi, Hideo Asahina, Hirotaka Ohno, Mariko Ishino, Atsuhisa Inoue, Yasunari Okamoto, Yoshiharu Nakajima
  • Method for manufacturing polyimide thin films by plasma polymerization
    Patent number: 4999215
    Abstract: A method of manufacturing a polyimide thin film is disclosed which comprises supplying vapors of a polyimide starting material comprising a plurality of polyimide forming monomers into a plasma atmosphere, transferring the ionized polyimide starting material, under an electric field, to the surface of a glass or metallic substrate and depositing the material thereon, and heating the same during or after deposition, thereby forming a polyimide thin film as an orientation film on the substrate.
    Type: Grant
    Filed: December 29, 1989
    Date of Patent: March 12, 1991
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yoshiro Akagi, Mariko Ishino, Atsuhisa Inoue, Shigeru Kaminishi, Hiroshi Taniguchi