Patents by Inventor Shunzen Yoshida

Shunzen Yoshida 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 manufacturing method thereof
    Patent number: 9316233
    Abstract: A propeller fan molded by injection molding using a resin material containing a continuous fiber, includes a hub having an end surface wall and a peripheral wall; and a plurality of blades on an outer periphery of the hub, the propeller fan being molded by providing a plurality of injection positions for injecting the resin material containing the continuous fiber in a part of the end surface wall corresponding to a root portion of one of the blades of the hub.
    Type: Grant
    Filed: July 12, 2011
    Date of Patent: April 19, 2016
    Assignee: Fujitsu General Limited
    Inventor: Shunzen Yoshida
  • PROPELLER FAN AND MANUFACTURING METHOD THEREOF
    Publication number: 20130108461
    Abstract: A propeller fan molded by injection molding using a resin material containing a continuous fiber, includes a hub having an end surface wall and a peripheral wall; and a plurality of blades on an outer periphery of the hub, the propeller fan being molded by providing a plurality of injection positions for injecting the resin material containing the continuous fiber in a part of the end surface wall corresponding to a root portion of one of the blades of the hub.
    Type: Application
    Filed: July 12, 2011
    Publication date: May 2, 2013
    Applicant: FUJITSU GENERAL LIMITED
    Inventor: Shunzen Yoshida