Patents by Inventor So Kanai

So Kanai 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).

  • Method and apparatus for measuring shape of tubular body
    Patent number: 6954991
    Abstract: A pair of reference portions 20 and 20 is brought into contact with an internal peripheral surface 11 of the vicinity of both side end portions of a tubular body 10. The tubular body 10 is rotated such that contact portions where the tubular body 10 and the pair of reference portions 20 and 20 contact move on the internal peripheral surface 11 in a circumferential direction of the tubular body 10 with positions of the pair of reference portions 20 and 20 fixed. The radial displacement of an external peripheral surface 12 of the tubular body 10 caused by the rotation of the tubular body 10 at at least one position 31 and 32 of an external side of the tubular element 10 is detected, wherein the at least one position is fixed relative to the circumferential direction of the tubular element 10.
    Type: Grant
    Filed: September 12, 2003
    Date of Patent: October 18, 2005
    Assignee: Showa Denko K.K.
    Inventors: Takumi Akatsuka, So Kanai
  • Method and apparatus for measuring shape of tubular body
    Publication number: 20050050745
    Abstract: A pair of reference portions 20 and 20 is brought into contact with an internal peripheral surface 11 of the vicinity of both side end portions of a tubular body 10. The tubular body 10 is rotated such that contact portions where the tubular body 10 and the pair of reference portions 20 and 20 contact move on the internal peripheral surface 11 in a circumferential direction of the tubular body 10 with positions of the pair of reference portions 20 and 20 fixed. The radial displacement of an external peripheral surface 12 of the tubular body 10 caused by the rotation of the tubular body 10 at at least one position 31 and 32 of an external side of the tubular element 10 is detected, wherein the at least one position is fixed relative to the circumferential direction of the tubular element 10.
    Type: Application
    Filed: September 12, 2003
    Publication date: March 10, 2005
    Applicant: SHOWA DENKO K.K.
    Inventors: Takumi Akatsuka, So Kanai