Patents by Inventor Haruyasu Rokurohta

Haruyasu Rokurohta 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).

  • Ultrasonic probe and method of manufacturing the same
    Patent number: 4962332
    Abstract: An ultrasonic probe has a piezoelectric vibrator composed of an array of piezoelectric vibrator elements, and an electrode plate having as many electrode patterns as the number of the piezoelectric vibrator elements. The piezoelectric vibrator elements and the electrode patterns are electrically connected to each other by an auxiliary electrode plate disposed therebetween. A method of manufacturing the ultrasonic probe is also disclosed.
    Type: Grant
    Filed: November 1, 1989
    Date of Patent: October 9, 1990
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Haruyasu Rokurohta, Kazufumi Ishiyama
  • Method of making an ultrasonic probe
    Patent number: 4894895
    Abstract: A method of making an ultrasonic probe having a piezoelectric vibrator composed of an array of piezoelectric vibrator elements, and an electrode plate having as many electrode patterns as the number of the piezoelectric vibrator elements. The piezoelectric vibration elements and the electrode patterns are electrically connected to each other by an auxiliary electrode plate disposed therebetween.
    Type: Grant
    Filed: January 11, 1989
    Date of Patent: January 23, 1990
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Haruyasu Rokurohta, Kazufumi Ishiyama