Patents by Inventor Hisao Takakura

Hisao Takakura 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).

  • Keeper for dental magnetic attachment and its removal method
    Patent number: 6302694
    Abstract: A keeper of the dental magnetic attachment and method for removal of the keeper is disclosed wherein the keeper can be attracted by a magnetic assembly embedded in a denture base. The keeper includes a body made of soft magnetic material and a post made of non-magnetic material that is connected together at the bottom of said body of the keeper. The post has a bendable part that is connected to the body of the keeper.
    Type: Grant
    Filed: July 13, 2000
    Date of Patent: October 16, 2001
    Assignee: Aichi Steel Corporation Ltd.
    Inventors: Yoshinobu Honkura, Kazuo Arai, Hiroyuki Tanaka, Kazunari Kimura, Hiroshi Mizutani, Kenji Hiranuma, Hisao Takakura