Patents by Inventor Masahir Hayakawa

Masahir Hayakawa 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).

  • Double deck elevator
    Patent number: 7287624
    Abstract: A double deck elevator comprising an upper cage and a lower cage vertically movable together in a hositway, wherein a space between the upper cage and the lower cage is covered by covers. The covers guide airflow flowing around the space to reduce air turbulence noise, and consequently the quietness and comfortableness in the cages is improved.
    Type: Grant
    Filed: July 17, 2003
    Date of Patent: October 30, 2007
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hiroaki Itoh, Hideya Kohara, Masahir Hayakawa, Gen Yokoi
  • Double deck elevator
    Publication number: 20040094369
    Abstract: A double deck elevator comprising an upper cage and a lower cage vertically movable together in a hositway, wherein a space between the upper cage and the lower cage is covered by covers. The covers guide airflow flowing around the space to reduce air turbulence noise, and consequently the quietness and comfortableness in the cages is improved.
    Type: Application
    Filed: July 17, 2003
    Publication date: May 20, 2004
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Hiroaki Itoh, Hideya Kohara, Masahir Hayakawa, Gen Yokoi