Patents by Inventor Sigetaka Konishi

Sigetaka Konishi 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 drive unit
    Patent number: 6539712
    Abstract: A hydraulic drive unit is disclosed which can prevent the occurrence of cavitation at the time of turning OFF of a hydraulic motor without greatly modifying the circuit configuration and the entire system and which, as a result, can improve the deceleration feeling of the hydraulic motor and prevent the occurrence of a low noise.
    Type: Grant
    Filed: December 26, 2000
    Date of Patent: April 1, 2003
    Assignee: Kayaba Kogyo Kabushiki Kaisha
    Inventors: Sigetaka Konishi, Kenji Suzuki, Hideki Sekiguchi, Takao Muto
  • Hydraulic drive unit
    Publication number: 20020092417
    Abstract: A hydraulic drive unit is disclosed which can prevent the occurrence of cavitation at the time of turning OFF of a hydraulic motor without greatly modifying the circuit configuration and the entire system and which, as a result, can improve the deceleration feeling of the hydraulic motor and prevent the occurrence of a low noise.
    Type: Application
    Filed: December 26, 2000
    Publication date: July 18, 2002
    Inventors: Kenji Suzuki, Takao Muto, Sigetaka Konishi, Hideki Sekiguchi