Patents by Inventor Shigeyuki TAKAOKA

Shigeyuki TAKAOKA 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).

  • Propeller fan and blower unit
    Patent number: 10422349
    Abstract: A propeller fan includes a rotary blade hub driven in rotation about a rotation axis, and a rotary blade installed at an outer periphery of the rotary blade hub. The rotary blade includes a rotary blade body protruding from an outer peripheral surface of the rotary blade hub, and a rib formed on an outer peripheral edge portion of a pressure surface of the rotary blade body so as to extend along an outer peripheral edge of the rotary blade body.
    Type: Grant
    Filed: July 3, 2015
    Date of Patent: September 24, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Kazuyasu Matsui, Shimei Tei, Tooru Iwata, Shigeyuki Takaoka
  • PROPELLER FAN AND BLOWER UNIT
    Publication number: 20170184125
    Abstract: A propeller fan includes a rotary blade hub driven in rotation about a rotation axis, and a rotary blade installed at an outer periphery of the rotary blade hub. The rotary blade includes a rotary blade body protruding from an outer peripheral surface of the rotary blade hub, and a rib formed on an outer peripheral edge portion of a pressure surface of the rotary blade body so as to extend along an outer peripheral edge of the rotary blade body.
    Type: Application
    Filed: July 3, 2015
    Publication date: June 29, 2017
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kazuyasu MATSUI, Shimei TEI, Tooru IWATA, Shigeyuki TAKAOKA