Patents by Inventor Nagayo Oohiro

Nagayo Oohiro 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).

  • Central core for a cleaning sponge roller
    Patent number: 8505145
    Abstract: An approximately cylindrical central core for cleaning sponge roller having an axially extending internal hole and multiple small holes realizing communication from the internal hole to the circumferential external surface. The central core for cleaning sponge roller is characterized in that the external surface of the central core is provided in the circumferential direction with multiple axially slender projections and that the projections each has an axial section viewed from a direction perpendicular to the axial direction that is not flat.
    Type: Grant
    Filed: June 6, 2008
    Date of Patent: August 13, 2013
    Assignee: Aion Co., Ltd.
    Inventors: Nagayo Oohiro, Tadashi Kawaguchi, Hiroshi Miyaji
  • CENTRAL CORE FOR A CLEANING SPONGE ROLLER
    Publication number: 20110088191
    Abstract: An approximately cylindrical central core for cleaning sponge roller having an axially extending internal hole and multiple small holes realizing communication from the internal hole to the circumferential external surface. The central core for cleaning sponge roller is characterized in that the external surface of the central core is provided in the circumferential direction with multiple axially slender projections and that the projections each has an axial section viewed from a direction perpendicular to the axial direction that is not flat.
    Type: Application
    Filed: June 6, 2008
    Publication date: April 21, 2011
    Applicant: AION CO., LTD.
    Inventors: Nagayo Oohiro, Tadashi Kawaguchi, Hiroshi Miyaji