Patents by Inventor Tokuji Okamura

Tokuji Okamura 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).

  • Interdental brush and method of producing the same
    Publication number: 20060179593
    Abstract: An interdental brush comprises bristles (11), a wire (12) with which the bristles (11) are twisted, and a handle (13) to which the wire is attached. The handle (13) is composed of a main body (21) and a sub-body (22). The main body (21) is provided with a longitudinal hole (41) into which a base part of the wire (12) is inserted, and a lateral hole (43) intersecting the longitudinal hole (41). A coming-off preventing bent portion (51) is formed at the base part of the wire (12) so as to be exposed to the lateral hole (43). The sub-body (22) is provided with an engagement portion (52) filling the lateral hole (43) so as to surround a periphery of the bent portion (51).
    Type: Application
    Filed: May 17, 2004
    Publication date: August 17, 2006
    Applicant: Kabushiki Kaisha Ki Inexhaustible Supply
    Inventor: Tokuji Okamura