Patents by Inventor Shinji Sagara

Shinji Sagara 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).

  • Vibrator system and vibrotherapeutic device using the same
    Patent number: 5050587
    Abstract: Disclosed is a novel vibrator system which comprises an ultrasonic motor; a driver circuit which supplies a forwardly-rotatory and reversely-rotatory signals to the ultrasonic motor; and a switching control circuit wich alternately switch the signals. The vibrator system attains a high energy efficiency even when miniaturized, as well as normally working without causing a large operation noise when loaded. The vibrotherapeutic device wherein the vibrator system is assembled can be advantageously used to massage human body.
    Type: Grant
    Filed: July 8, 1988
    Date of Patent: September 24, 1991
    Assignees: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo, Kabushiki Kaisha Fukoku
    Inventors: Shinji Sagara, Youichi Endo