Patents by Inventor Yoshinari Atsumi

Yoshinari Atsumi 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).

  • Patent number: 5090515
    Abstract: A passenger transport installation in which a large number of people can be efficiently transported between at least two vertically-spaced places. Stations communicate with a vertical elevator passage or passages along which vehicles can move upward and downward, and the vehicles stop at the stations to allow passagers to get on and off. While passengers get on and off the vehicles at the stations, other vehicles carrying other passengers can move upward and downwardly along the elevator passage or passages.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: February 25, 1992
    Assignees: Hitachi, Ltd., Hitachi Elevayor Engineering and Service Co., Ltd.
    Inventors: Tastuhiko Takahashi, Jun Sugahara, Toshihiko Nara, Yuki Yamamoto, Yoshinari Atsumi, Hideaki Seki, Katutaro Masuda, Nobuyoshi Sato, Masanobu Itoh, Masayuki Shigeta, Eiji Ikeda, Hiroshi Kinoshita, Shinkei Kakami