Patents by Inventor Kazunori Matsuiwa

Kazunori Matsuiwa 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).

  • Method and apparatus for testing characteristics of thin-film magnetic head
    Patent number: 8138754
    Abstract: The characteristics of thin-film magnetic heads are evaluated by measuring, in a step and repeat method and apparatus, the magnetic field generated by the respective heads in a bar including multiple heads.
    Type: Grant
    Filed: May 18, 2009
    Date of Patent: March 20, 2012
    Assignee: TDK Corporation
    Inventors: Akio Ogawa, Tsutomu Chikamatsu, Kazuyuki Kobayashi, Haruhiko Yamaguchi, Kazunori Matsuiwa, Masaki Ohashi, Kazuyoshi Nakajima, Kiyotaka Shindo
  • METHOD AND APPARATUS FOR TESTING CHARACTERISTICS OF THIN-FILM MAGNETIC HEAD
    Publication number: 20090284857
    Abstract: The characteristics of thin-film magnetic heads are evaluated by measuring, in a step and repeat method and apparatus, the magnetic field generated by the respective heads in a bar including multiple heads.
    Type: Application
    Filed: May 18, 2009
    Publication date: November 19, 2009
    Applicant: TDK CORPORATION
    Inventors: Akio Ogawa, Tsutomu Chikamatsu, Kazuyuki Kobayashi, Haruhiko Yamaguchi, Kazunori Matsuiwa, Masaki Ohashi, Kazuyoshi Nakajima, Kiyotaka Shindo