Patents by Inventor Syuichi Fujieda

Syuichi Fujieda 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).

  • Escalator step
    Patent number: 5695040
    Abstract: A step for a passenger conveying device is provided, comprising a tread portion, a riser portion, and a plurality of blocking members. The tread portion includes a width, a length, and a pair of end faces extending along its width. Each of the tread portion end faces includes a slot. The blocking members are received within the slots.
    Type: Grant
    Filed: June 21, 1994
    Date of Patent: December 9, 1997
    Assignee: Otis Elevator Company
    Inventors: Keiichi Watanabe, Syuichi Fujieda