Patents by Inventor Tetsuya Yamasumi

Tetsuya Yamasumi 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).

  • Suspension
    Patent number: 7147236
    Abstract: In order to provide a suspension which is inexpensive and light in weight and which can attain substantially improved vehicle-riding comfort without lowering drivability, an axle is hanged from a chassis side (side rails) by resilient supports (leaf and air springs) with different spring characteristics arranged forwards and rearwards of the axle. The axle 1 is allowed to make rolling motion due to difference in spring characteristic between the forward and rearward resilient supports.
    Type: Grant
    Filed: October 23, 2003
    Date of Patent: December 12, 2006
    Assignees: Horikiri, Inc., Hino Motors, Ltd.
    Inventors: Fujio Momiyama, Tetsuya Yamasumi, Naohiro Yuhara, Jun Tajima, Takashi Sasaki
  • Suspension
    Publication number: 20040195901
    Abstract: In order to provide a suspension which is inexpensive and light in weight and which can attain substantially improved vehicle-riding comfort without lowering drivability, an axle 1 is hanged from a chassis side (side rails 4) by resilient supports (leaf and air springs 2 and 3) with different spring characteristics arranged forwards and backwards of the axle. The axle 1 is allowed to make rolling motion due to difference in spring characteristic between the forward and backward resilient supports.
    Type: Application
    Filed: October 23, 2003
    Publication date: October 7, 2004
    Applicants: HORIKIRI, INC., HINO MOTORS LTD.
    Inventors: Fujio Momiyama, Tetsuya Yamasumi, Naohiro Yuhara, Jun Tajima, Takashi Sasaki