Patents by Inventor Katumi Oisi

Katumi Oisi 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).

  • Tractor cabin
    Patent number: 4650242
    Abstract: A tractor cabin having a pair of right and left front struts, a pair of right and left rear struts, a pair of right and left intermediate struts disposed between the front and rear struts, a top frame interconnecting upper ends of the front, rear and intermediate struts, a floor sheet attached to lower ends of the front, rear and intermediate struts, and a gate-shaped cabin front defined by the front struts and the top frame. The cabin comprises a gate-shaped partition assembly disposed at a lower mid-position transversely of the cabin front, connecting members connecting right and left lower ends of the partition assembly to lower ends of the right and left front struts, and a transparent member secured to inner peripheries of the cabin front, the transparent member including side transparent portions extending downwardly therefrom.
    Type: Grant
    Filed: September 26, 1985
    Date of Patent: March 17, 1987
    Assignee: Kubuto, Ltd.
    Inventors: Mitsuhiko Obe, Isamu Kawai, Masaru Nakata, Katumi Oisi, Yosaburo Shimizu, Katsushi Fukawatase, Takao Nishikawa, Kenji Hinoue, Susumu Arisawa, Kenichi Sato, Yasunori Kurata, Kengo Sato