Patents by Inventor Hiroki Kuranari

Hiroki Kuranari 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).

  • Core material for automobile bumpers
    Patent number: 4756948
    Abstract: A core material for an automobile bumper is disclosed, which includes an elongated body of a foamed polyolefin resin provided with a plurality of depressed portions in front and/or rear surfaces thereof, and structural members disposed within at least part of said depressed portions. The structural members are formed of a synthetic resin and have a bulk density of 0.2-3.5 g/cm.sup.3.
    Type: Grant
    Filed: July 21, 1987
    Date of Patent: July 12, 1988
    Assignee: Japan Styrene Paper Corporation
    Inventors: Hiroyuki Kuramochi, Hiroki Kuranari, Toru Yamaguchi, Hisao Tetsuka, Hideto Nakatsuka, Shingo Takahashi