Patents by Inventor Kazuhiko Kinpara

Kazuhiko Kinpara 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).

  • Base film for pressure-sensitive adhesive tape and pressure-sensitive adhesive tape or sheet
    Patent number: 6455151
    Abstract: A base film for pressure-sensitive adhesive tapes and sheets which comprises a tackifier resin; and a pressure-sensitive adhesive tape or sheet which has a film having at least one layer of the base film as a substrate and a pressure-sensitive adhesive layer formed on at least one face of the substrate. Pressure-adhesive tapes or sheets which have excellent effects of undergoing little dimensional change even under heating or with the passage of time, showing good appearance without suffering from gapping, etc. in case of rolled tapes and sustaining stable pressure-sensitive adhesive force. Particularly favorable effects can be achieved in pressure-sensitive adhesive tapes wherein a polyolefin resin is used as the base film and a rubber pressure-sensitive adhesive containing a large amount of a tackifier resin is used as the pressure-sensitive adhesive.
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: September 24, 2002
    Assignee: Nitto Denko Corporation
    Inventors: Teiji Sakashita, Takio Itou, Yoshio Nakagawa, Kazuhiko Kinpara, Katsumi Hori, Hiroshi Nagami