Patents by Inventor Sukeyuki Yamamoto

Sukeyuki Yamamoto 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 and transmission casing
    Patent number: 7735394
    Abstract: The present invention provides a tractor which can prevent leaking of oil. In a tractor which forms a transmission casing by communicably connecting a plurality of cylindrical casings in the fore-and-aft direction, a shaft-support-wall forming body is detachably mounted on an inner peripheral portion of an end portion of one cylindrical casing, and end surfaces of the cylindrical casing are brought into face contact with each other and are connected with each other without interposing the shaft-support-wall forming body therebetween.
    Type: Grant
    Filed: March 25, 2005
    Date of Patent: June 15, 2010
    Assignee: Yanmar Co., Ltd.
    Inventors: Tatsuo Yamaguchi, Sukeyuki Yamamoto
  • Tractor
    Publication number: 20070193407
    Abstract: The present invention provides a tractor which can prevent leaking of oil. In a tractor which forms a transmission casing by communicably connecting a plurality of cylindrical casings in the fore-and-aft direction, a shaft-support-wall forming body is detachably mounted on an inner peripheral portion of an end portion of one cylindrical casing, and end surfaces of the cylindrical casing are brought into face contact with each other and are connected with each other without interposing the shaft-support-wall forming body therebetween.
    Type: Application
    Filed: March 25, 2005
    Publication date: August 23, 2007
    Applicant: YANMAR CO., LTD.
    Inventors: Tatsuo Yamaguchi, Sukeyuki Yamamoto