Patents by Inventor Haruyuki Kawahara

Haruyuki Kawahara 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: 4016651
    Abstract: This invention is directed to a device for implanting an artificial endosseous element of ceramics in the fields of dentistry, oral surgery and orthopedics, comprising an implant screw pin and more than one nut element in combination with said screw pin primarily for securely holding said screw pin in a bone structure after implantation thereof. This invention is also directed to an implant method for use of such device.
    Type: Grant
    Filed: February 18, 1975
    Date of Patent: April 12, 1977
    Assignee: Kyoto Ceramic Co., Ltd.
    Inventors: Haruyuki Kawahara, Masaya Hirabayashi