Patents Assigned to Sekikazu NAKAKURA
  • Publication number: 20090081425
    Abstract: This Invention concerns a ring (11) or other accessory and jewelry goods provided with a pattern resulting from processing a metal underlayer (111) of a noble metal and/or a metal plating layer (112) formed on the metal underlayer (111). The noble metal jewelry goods has the metal plating layer (112) formed in a uniform thickness on the whole upper surface of the metal underlayer (111) and has the metal underlayer (111) and/or the metal plating layer (112) enabled by the rod-shaped grinding tool (12) to form glossy regions (111-1) and (111-2) exposing the metal underlayer (111). The noble metal jewelry goods of this invention is enabled to form the metal plating layer region (112) that has not been ground by the rod-shaped grinding tool (12) at all and expose the metal plating layer.
    Type: Application
    Filed: March 1, 2006
    Publication date: March 26, 2009
    Applicants: Sekikazu NAKAKURA, Kazuki NAKAJIMA
    Inventor: Kazuki Nakajima