Patents by Inventor Hirohisa Ismai

Hirohisa Ismai 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: 6357580
    Abstract: A belt-type carrier system is described, that comprises a guide rail structure having straight and curved sections. The guide rail structure has at least one track extending therealong. A belt extends along the guide rail structure. A drive device is provided for driving the belt along the guide rail structure. A spring plate is put on and fixed to a part of the belt. A flexible mounting member is mounted on the spring plate. The flexible mounting member is flexed when an external stress is applied thereto. A carrier base structure is provided which has at least one follower that runs on the track of the guide rail structure when the carrier base structure moves along the guide rail structure. A universal joint structure is arranged between the flexible mounting member and the carrier base structure.
    Type: Grant
    Filed: June 5, 2000
    Date of Patent: March 19, 2002
    Assignee: I. Tech Inc.
    Inventor: Hirohisa Ismai