Patents by Inventor Mitsuya Tsujikawa

Mitsuya Tsujikawa 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).

  • Laminated piezoelectric transformer
    Patent number: 6445111
    Abstract: A piezoelectric transformer includes an output part having laminated sheets formed of a first piezoelectric material and one or more input parts, each having laminated sheets made of a second piezoelectric material. The piezoelectric strain constant of the second piezoelectric material is greater than that of the first piezoelectric material.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: September 3, 2002
    Assignee: Taiyo Yuden Co., Ltd.
    Inventors: Yoshiyuki Watanabe, Hiroshi Kishi, Yasuyuki Inomata, Shigeo Ishii, Mitsuya Tsujikawa
  • Laminated piezoelectric transformer
    Publication number: 20010040420
    Abstract: A piezoelectric transformer includes an output part having laminated sheets formed of a first piezoelectric material and one or more input parts, each having laminated sheets made of a second piezoelectric material. The piezoelectric strain constant of the second piezoelectric material is greater than that of the first piezoelectric material.
    Type: Application
    Filed: March 30, 2001
    Publication date: November 15, 2001
    Applicant: Taiyo Yuden Co., Ltd.
    Inventors: Yoshiyuki Watanabe, Hiroshi Kishi, Yasuyuki Inomata, Shigeo Ishii, Mitsuya Tsujikawa