Patents by Inventor Tomonari Nishiyama

Tomonari Nishiyama 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).

  • Roller bearing apparatus, method of producing roller bearing apparatus and cover attached to roller bearing apparatus
    Patent number: 7556435
    Abstract: A roller bearing apparatus provided with a roller bearing having an outer ring with a cylindrical opening that opens at one end and a cover fitted in the opening against the inner periphery thereof to close it. The cover is provided with an inscribing surface that inscribes the. inner periphery of the opening and a stepped surface that protrudes radially outward from the inscribing surface to abut the axial end face of the opening. The axial end face of the opening is provided with a beveled part on the inner rim. An annular space formed by the beveled part, inscribing surface, and stepped surface is filled with sealant.
    Type: Grant
    Filed: February 15, 2006
    Date of Patent: July 7, 2009
    Assignee: JTEKT Corporation
    Inventors: Syuji Nagata, Tomonari Nishiyama, Masaru Deguchi
  • Roller bearing apparatus, method of producing roller bearing apparatus and cover attached to roller bearing apparatus
    Publication number: 20060228062
    Abstract: A roller bearing apparatus provided with a roller bearing having an outer ring with a cylindrical opening that opens at one end and a cover fitted in the opening against the inner periphery thereof to close it. The cover is provided with an inscribing surface that inscribes the. inner periphery of the opening and a stepped surface that protrudes radially outward from the inscribing surface to abut the axial end face of the opening. The axial end face of the opening is provided with a beveled part on the inner rim. An annular space formed by the beveled part, inscribing surface, and stepped surface is filled with sealant.
    Type: Application
    Filed: February 15, 2006
    Publication date: October 12, 2006
    Applicant: JTEKT CORPORATION
    Inventors: Syuji Nagata, Tomonari Nishiyama, Masaru Deguchi