Patents by Inventor Hong Jun PANG

Hong Jun PANG 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: 20230011554
    Abstract: An electric work machine in one aspect of the present disclosure includes an electric power input terminal, a motor, a circuit board, a first heat dissipation plate, and a second heat dissipation plate. The circuit board includes a first surface and an electronic circuit on the first surface. The electronic circuit controls supply of AC power to the motor. The electronic circuit includes an electronic component that generates Joule heat. The first heat dissipation plate is spaced from the first surface by a first distance in parallel to the first surface. The second heat dissipation plate is spaced from the first surface by a second distance in parallel to the first surface. The second heat dissipation plate is thermally coupled with the first heat dissipation plate. The second distance is smaller than the first distance.
    Type: Application
    Filed: June 28, 2022
    Publication date: January 12, 2023
    Applicant: MAKITA CORPORATION
    Inventors: Jie CHEN, Katsuhito FUJINAMI, Hong Jun PANG, Ya WANG, Fuchao LUAN, Akira NAITO