Patents by Inventor Setsuo Hirose

Setsuo Hirose 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).

  • Coating compositions
    Patent number: 5621042
    Abstract: Coating compositions are described. They contain, as a film-forming component, a fluoropolymer with a silane-coupling agent containing at least one free isocyanate group. The fluoropolymer may also have been modified with a reaction product of a polysiloxane or fluorine compound containing a reactive organic functional group with an organic polyisocyanate, which reaction product contains at least one free isocyanate group.
    Type: Grant
    Filed: July 20, 1995
    Date of Patent: April 15, 1997
    Assignees: Dainichiseika Color & Chemicals Mfg. Co., Ltd., Ukima Colour & Chemicals Mfg, Co., Ltd.
    Inventors: Kazuyuki Hanada, Setsuo Hirose, Katsumi Kuriyama
  • Coating compositions
    Patent number: 5489643
    Abstract: Described is a coating composition for the formation of a back coat layer in a magnetic recording medium, which comprises carbon black, a binder and a solvent. The binder is composed of an acrylic-polymer-modified polyurethane resin and a vinyl chloride copolymer having at least one type of terminal groups selected from hydroxyl groups, carboxyl groups or tertiary amino groups.
    Type: Grant
    Filed: March 17, 1994
    Date of Patent: February 6, 1996
    Assignees: Dainichiseika Color & Chemicals Mfg. Co., Ltd., Ukima Coulor & Chemicals Mfg. Co., Ltd.
    Inventors: Eiichi Sugawara, Setsuo Hirose, Yoshinori Konno, Masatoshi Nakajima, Toshiaki Higuchi