Patents by Inventor Isami Fujii

Isami Fujii 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 for continuous on-site recycling of an asphalt mixture layer of a pavement and a motor-driven vehicle system therefor
    Patent number: 7448825
    Abstract: A method for recycling in place an asphalt mixture layer of a paved road continuously, while moving a self-propelled vehicle system, which comprises a step of heating and softening the asphalt mixture layer, a step of scraping and breaking said hot and softened asphalt mixture layer and keeping the softened mixture at a temperature sufficient not to form an aggregate, to prepare an asphalt mixture having a single-grained structure, a sieving step of classifying said asphalt mixture having a single-grained structure into a plurality of grain size groups, a step of designing mix proportions for converting said asphalt mixture to a recycled asphalt mixture by the use of said plurality of grain size groups classified, a step of mixing uniformly said recycled asphalt mixtures having designed mix proportions, and a step of spreading and compacting said recycled asphalt mixtures having been mixed uniformly, to thereby form a recycled asphalt mixtures layer.
    Type: Grant
    Filed: January 26, 2007
    Date of Patent: November 11, 2008
    Assignees: Green Arm Co., Ltd., Hitachi Construction Machinery Co., Ltd.
    Inventors: Atsushi Kasahara, Shunsuke Ushio, Kojiro Ogata, Hiroshi Inamitsu, Fumio Goto, Tomoyuki Abe, Hiroaki Irie, Isami Fujii, Kazuo Onoda, Hideo Ikeda, Eisuke Nagai, Atsuki Gomi, Masaki Tsunabuchi
  • Method for continuous on-site recycling of an asphalt mixture layer of a pavement and a motor-driven vehicle system therefor
    Publication number: 20070122235
    Abstract: A method for recycling in place an asphalt mixture layer of a paved road continuously, while moving a self-propelled vehicle system, which comprises a step of heating and softening the asphalt mixture layer, a step of scraping and breaking said hot and softened asphalt mixture layer and keeping the softened mixture at a temperature sufficient not to form an aggregate, to prepare an asphalt mixture having a single-grained structure, a sieving step of classifying said asphalt mixture having a single-grained structure into a plurality of grain size groups, a step of designing mix proportions for converting said asphalt mixture to a recycled asphalt mixture by the use of said plurality of grain size groups classified, a step of mixing uniformly said recycled asphalt mixtures having designed mix proportions, and a step of spreading and compacting said recycled asphalt mixtures having been mixed uniformly, to thereby form a recycled asphalt mixtures layer.
    Type: Application
    Filed: January 26, 2007
    Publication date: May 31, 2007
    Applicants: Green Arm Co., Ltd., Hitachi Construction Machinery Co., Ltd.
    Inventors: Atsushi Kasahara, Shunsuke Ushio, Kojiro Ogata, Hiroshi Inamitsu, Fumio Goto, Tomoyuki Abe, Hiroaki Irie, Isami Fujii, Kazuo Onoda, Hideo Ikeda, Eisuke Nagai, Atsuki Gomi, Masaki Tsunabuchi