Patents by Inventor Masato KAKEYAMA

Masato KAKEYAMA 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: 20180351430
    Abstract: A fan motor includes: a frame bushing part configured to house a rotation drive part; a bearing configured to rotatably support a shaft with respect to the frame bushing part; and at least one shaft fall-out restraining member provided on the shaft and configured to hold the bearing along an axial direction of the shaft.
    Type: Application
    Filed: May 15, 2018
    Publication date: December 6, 2018
    Inventors: Naoya INADA, Masato KAKEYAMA, Atsushi YANAGISAWA
  • Patent number: 9869321
    Abstract: A waterproof axial flow fan includes: a rotor having a rotating shaft pivotally supported by a bearing in a rotatable manner, an impeller provided to a tip of the rotating shaft and a rotor cover; a stator having a winding and a circuit board, a surface of which is coated with an electrically insulating synthetic resin; and at least one ring collection groove part formed in a resin surface opposing to the rotor cover at an apex of the stator so as to surround a tip of a bearing holding part for holding the bearing.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: January 16, 2018
    Assignee: SANYO DENKI CO., LTD.
    Inventors: Katsumichi Ishihara, Akira Nakayama, Tatsuya Midorikawa, Masato Kakeyama
  • Publication number: 20150167682
    Abstract: A waterproof axial flow fan includes: a rotor having a rotating shaft pivotally supported by a bearing in a rotatable manner, an impeller provided to a tip of the rotating shaft and a rotor cover; a stator having a winding and a circuit board, a surface of which is coated with an electrically insulating synthetic resin; and at least one ring collection groove part formed in a resin surface opposing to the rotor cover at an apex of the stator so as to surround a tip of a bearing holding part for holding the bearing.
    Type: Application
    Filed: December 15, 2014
    Publication date: June 18, 2015
    Inventors: Katsumichi ISHIHARA, Akira NAKAYAMA, Tatsuya MIDORIKAWA, Masato KAKEYAMA