Patents by Inventor Masaru Yamasaki

Masaru Yamasaki 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).

  • Hydraulic system
    Publication number: 20030056640
    Abstract: An hydraulic system comprising an air sucking hydraulic circuit 8, an air sucking control valve 5, and a check valve 6 provided in or before and after the air sucking hydraulic circuit 8, allowing a flow of a hydraulic fluid from the air sucking control valve 5 to the hydraulic actuator 4 and preventing a flow of a hydraulic fluid from the hydraulic actuator 4 to the air sucking control valve 5.
    Type: Application
    Filed: February 25, 2002
    Publication date: March 27, 2003
    Inventors: Masaru Yamasaki, Kenichiro Tokuo, Hiroshi Kuroiwa, Naoyuki Ozaki
  • Transmission
    Publication number: 20020129671
    Abstract: In a transmission with a first clutch including a first upstream rotary member to be driven by an input shaft, and a first downstream rotary member to be driven by the first upstream rotary member to drive an output shaft so that the first upstream and downstream rotary members are adapted to be selectively engaged with each other and disengaged from each other, an output shaft driving device includes a second upstream rotary member to be driven by the input shaft, and a second downstream rotary member to be driven by the second upstream rotary member to drive the output shaft.
    Type: Application
    Filed: August 2, 2001
    Publication date: September 19, 2002
    Inventors: Masaru Yamasaki, Tadahiko Nogami, Hiroshi Kuroiwa, Naoyuki Ozaki, Toshimichi Minowa, Takashi Okada