Patents by Inventor Hajime Yama

Hajime Yama 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).

  • Patent number: 6220220
    Abstract: A fuel supplying device for an engine comprises an electronic governor (1) and a mechanical governor (2). In this device, the mechanical governor (2) limits a maximum fuel injection amount of an electronic control by the electronic governor (1).
    Type: Grant
    Filed: January 19, 2000
    Date of Patent: April 24, 2001
    Assignee: Kubota Corporation
    Inventors: Masahiro Aketa, Yasuo Fujii, Hajime Yama, Toshio Nakahira, Yasushi Matsuda