Patents by Inventor Hirofumi Sadagane

Hirofumi Sadagane 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).

  • Walking operator type lawn mower
    Patent number: D307911
    Type: Grant
    Filed: October 24, 1986
    Date of Patent: May 15, 1990
    Assignee: Kubota, Ltd.
    Inventors: Manabu Miyawaki, Takao Katayama, Jinnosuke Takakura, Hirofumi Sadagane, Hisato Katoh