Patents by Inventor Chishiro Yamao

Chishiro Yamao 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).

  • Sliding door
    Patent number: 4237655
    Abstract: The sliding door of this invention substantially comprises a door body and a mechanism which imparts the slide movement and rotating movement to the door body simultaneously. Due to such mechanism, the sliding door can be opened or closed necessitating the considerably smaller operating space compared with conventional slide doors or swinging doors. Such door provides full utilization of the space of a building such as a warehouse.
    Type: Grant
    Filed: July 10, 1978
    Date of Patent: December 9, 1980
    Inventor: Chishiro Yamao