Patents by Inventor Hiroyuki Tateishi

Hiroyuki Tateishi 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: 4925725
    Abstract: An interlayer for a laminated glass, said interlayer being composed of a film or sheet of a thermoplastic resin, at least one surface of the film or sheet of a thermoplastic resin having numerous coarse raised and depressed portions and numerous fine raised and depressed portions existing on the surfaces of the coarse raised and depressed portions, the average distance between two adjacent coarse depressed or raised portions being about 2 to about 10 times the 10-point average roughness of the coarse raised and depressed portions measured in accordance with ISO-R468.
    Type: Grant
    Filed: January 4, 1989
    Date of Patent: May 15, 1990
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Gen Endo, Hiroyuki Tateishi, Yoshihiro Kawata, Isao Karasudani, Hirofumi Omura