Patents by Inventor Nakanishi Inc.

Nakanishi Inc. 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).

  • Publication number: 20130137060
    Abstract: A dental handpiece having a reciprocal rotation means for converting a rotary motion to a reciprocating rotating motion is disclosed. The reciprocal rotation means includes a rotary body having input- and output-side guide grooves, input- and output-side semispherical concave surface formed at the ends of input- and output-side shaft part, respectively, of a rotary shaft extending in a grip of the handpiece, and input- and output-side guide pin protruding from the input- and output-side semispherical concave surface, respectively for engagement in the input- and output-side guide grooves, respectively.
    Type: Application
    Filed: November 23, 2012
    Publication date: May 30, 2013
    Applicant: Nakanishi Inc.
    Inventor: Nakanishi Inc.