Patents by Inventor Kazunori Kadomura

Kazunori Kadomura 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).

  • Superabrasive tool and method of manufacturing the same
    Patent number: 6312324
    Abstract: A superabrasive tool such as a superabrasive grindstone (101; 102), a superabrasive dresser (103; 104; 105) or a superabrasive lap surface plate (106) includes a base (20) of steel and a superabrasive layer (10) formed on the base (20). The superabrasive layer (10) includes superabrasive grains (11) consisting of diamond grains, cubic boron nitride grains or the like and a holding layer consisting of a nickel plating layer (16) and a bond layer (17), or a brazing filler metal layer (18), holding the superabrasive grains (11) and fixing the same onto the base (20). Grooves (12) or holes (14) are formed on flat surfaces (19) of the superabrasive grains (11) exposed from the holding layer (16, 17; 18). The holding layer (16, 17; 18) holding and fixing the superabrasive grains (11) so that the surfaces of the grains are partially exposed is formed on the base (20).
    Type: Grant
    Filed: May 27, 1998
    Date of Patent: November 6, 2001
    Assignee: Osaka Diamond Industrial Co.
    Inventors: Kosuke Mitsui, Toshio Fukunishi, Kazunori Kadomura, Yukio Shimizu, Yoshio Kouta, Masaaki Yamanaka, Akio Hara