Patents by Inventor Hiroshi Haita

Hiroshi Haita 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).

  • Method for sealing vacuum structure
    Patent number: 6264092
    Abstract: The present invention is a method of sealing a metal vacuum structure (vacuum bottle) for evacuating a space S closed by component members (an inner shell 2 and an outer shell 3) through an evacuation port and then sealing the evacuation port.
    Type: Grant
    Filed: August 9, 1999
    Date of Patent: July 24, 2001
    Assignee: Zojirushi Corporation
    Inventors: Shinya Yasuda, Toyohiko Takatsuki, Mamoru Fujiyama, Hiroshi Haita