Patents by Inventor Yasuhisa Yabuki

Yasuhisa Yabuki 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).

  • Cooling system for construction machine
    Patent number: 7685816
    Abstract: A cooling system for a construction machine, which can reduce noise of a cooling fan and can reliably produce cooling air at a required flow rate.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: March 30, 2010
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventor: Yasuhisa Yabuki
  • Cooling System for Construction Machine
    Publication number: 20090217655
    Abstract: A cooling system for a construction machine, which can reduce noise of a cooling fan and can reliably produce cooling air at a required flow rate.
    Type: Application
    Filed: December 22, 2005
    Publication date: September 3, 2009
    Inventor: Yasuhisa Yabuki