Patents by Inventor Sakae Oguni

Sakae Oguni 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: 5275855
    Abstract: Stripping paper which serves as a member for protecting the adhesive of an adhesive sheet is capable of being recycled and effectively used as a material of regenerated paper after stripped when the adhesive sheet is used, and permits beautiful printing thereon. It also provides an adhesive sheet having the stripping paper attached thereto and exhibiting new additional printing effects. In the stripping paper comprising a substrate 10, a coating layer of mineral substance 12 and a silicone film layer 13, the substrate 10 is made of relatively long fiber material, the coating layer 12 provides a smooth surface suitable for application of printing on the substrate 10 and comprises relatively fine mineral particles 11 to substantially prevent infiltration of the silicone 13a into the substrate (FIG. 1).
    Type: Grant
    Filed: January 16, 1992
    Date of Patent: January 4, 1994
    Assignee: Ko-Pack Kabushiki Kaisha
    Inventors: Junichi Kobayashi, Sakae Oguni