Patents by Inventor Yoshiaki Kojima

Yoshiaki Kojima 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).

  • Object carriage system
    Patent number: 5281978
    Abstract: An object carriage system is developed which can suppress any vibration even if an object to be carried contains a source of vibration. The object carriage system comprises a carriage for carrying an object, a resilient supporting means for resiliently supporting the carriage over the floor, a vibration suppressing means for suppressing the vibration of the carriage relative to the floor, acceleration detecting means for detecting an acceleration of the carriage and producing a corresponding acceleration signal, a mass movably supported by the carriage, and driving means for driving the mass in the direction in which the acceleration takes place in accordance with the acceleration signal.
    Type: Grant
    Filed: November 1, 1991
    Date of Patent: January 25, 1994
    Assignee: Pioneer Electronic Corporation
    Inventors: Yoshiaki Kojima, Yasumitsu Wada