Patents by Inventor Noboru Hirawa

Noboru Hirawa 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).

  • Grinding Wheel
    Publication number: 20080299884
    Abstract: In a grinding wheel in which abrasive tips for rough grinding and abrasive tips for finish grinding are alternately bonded to a periphery of a disk type base rotating about a rotation axis, each abrasive tip includes the abrasive layer for ed by bonding abrasive grains and a lower layer overlaid and integrally for led with the abrasive layer. The abrasive tip is attached to the periphery of the base at the lower layer. A Young's modulus of the lower layer of the abrasive tip for finish grinding relative to a load acting on the grinding surface of the abrasive tip in an inward direction of the grinding wheel is less than that of the abrasive tip for rough grinding.
    Type: Application
    Filed: November 14, 2005
    Publication date: December 4, 2008
    Applicants: TOYODA VAN MOPPES LTD., JTEKT CORPORATION
    Inventors: Takayuki Moroto, Kunihiko Unno, Masato Kitajima, Tomoyasu Imai, Yasuhisa Sekiya, Tomohiro Inagaki, Noboru Hirawa, Hiroshi Takehara, Toshiaki Sakurai, Shinji Soma