Patents by Inventor Toshiki Hatakenaka

Toshiki Hatakenaka 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).

  • Method of heating a road surface and apparatus therefor
    Patent number: 4561800
    Abstract: A method of and an apparatus for heating a road surface, in which hot air controlled to a predetermined temperature is blown against the road surface so as to heat the road surface. The apparatus includes a hot air generator provided with a burner and a thermal control unit, and a duct formed with blowing pores for blowing the hot air against the road surface.
    Type: Grant
    Filed: December 28, 1983
    Date of Patent: December 31, 1985
    Assignees: Chugai Ro Co., Ltd., Kajima Road Co., Ltd.
    Inventors: Toshiki Hatakenaka, Tetsuo Akiyama, Shinji Asada, Kunio Shinohara