Patents by Inventor Itaru NABESHI

Itaru NABESHI 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).

  • ROTOR ASSEMBLY, MOTOR, BLOWER, AND VACUUM CLEANER
    Publication number: 20190305636
    Abstract: A rotor assembly includes a shaft disposed along a central axis extending vertically, a tubular magnet disposed on a radially outer side of the shaft, an upper spacer disposed axially above the magnet and fixed to a radially outer surface of the shaft, a shaft adhesive film disposed between the radially outer surface of the shaft and a radially inner surface of the magnet to attach the shaft to the magnet, and an upper spacer adhesive film disposed between an axially lower surface of the upper spacer and an axially upper surface of the magnet to attach the upper spacer to the magnet. The shaft adhesive film and the upper spacer adhesive film are an identical adhesive and are continuously formed.
    Type: Application
    Filed: March 18, 2019
    Publication date: October 3, 2019
    Inventors: Itaru NABESHI, Kazuhiko SHIOZAWA, Kenta MORIYASU
  • ROTOR ASSEMBLY, MOTOR, BLOWER, AND VACUUM CLEANER
    Publication number: 20190267858
    Abstract: A rotor assembly includes a shaft disposed along a central axis extending vertically, a tubular magnet disposed on a radially outer surface of the shaft, a lower spacer disposed axially below the magnet and fixed to the radially outer surface of the shaft, and a tubular magnet holder fixed to a radially outer surface of the magnet via an adhesive. At least a portion of an axially lower surface of the magnet holder is in contact with an axially upper surface of the lower spacer.
    Type: Application
    Filed: February 19, 2019
    Publication date: August 29, 2019
    Inventors: Kazuhiko SHIOZAWA, Itaru NABESHI, Kenta MORIYASU, Yusuke WATANABE, Hitoshi TAKAKI, Tatsuya TATARA, Kenta MIYOSHI