Patents by Inventor Hideyuki Hao

Hideyuki Hao 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).

  • Thermoplastic resin products having pearl-like luster
    Patent number: 4499238
    Abstract: Various resin products having beautiful pearl-like pattern or luster and excellent mechanical strength such as impact strength and hinging properties are produced by molding a mixture of styrene-butadiene block copolymer containing 10 to 35 wt % butadiene and 65 to 90 wt % styrene, showing resinous properties, and having a specific block form and crystalline polypropylene (content of the former copolymer: 25 to 95 wt %).
    Type: Grant
    Filed: January 24, 1983
    Date of Patent: February 12, 1985
    Assignees: Nippon Steel Chemical Co., Ltd., Sumitomo Chemical Company, Limited
    Inventors: Nobutoshi Iwata, Kiyoshi Fukushima, Shinji Fujino, Takeshiro Yamada, Hideyuki Hao, Shigeo Tanaka, Tatsuyuki Mitsuno