Patents by Inventor Ikurou Aoki

Ikurou Aoki 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).

  • Pulse pattern generating apparatus
    Patent number: 7522660
    Abstract: An object of this invention is to realize a pulse pattern generating apparatus that outputs a test signal of high waveform quality even when the shape of an eye pattern is changed. This invention is an improvement of a pulse pattern generating apparatus that generates a test signal of a predetermined pattern by using plural digital-analog converters and outputs the test signal to a test subject.
    Type: Grant
    Filed: July 23, 2004
    Date of Patent: April 21, 2009
    Assignee: Yokogawa Electric Corporation
    Inventors: Chie Sato, Shinji Kobayashi, Hirotoshi Kodaka, Ikurou Aoki, Kousuke Doi, Akira Toyama, Morio Wada, Hiroyuki Matsuura, Hiroshi Sugawara, Masamichi Ohashi, Hironori Okita, Yasukazu Akasaka, Tsuyoshi Yakihara, Akira Miura
  • Pulse pattern generating apparatus
    Publication number: 20050058190
    Abstract: An object of this invention is to realize a pulse pattern generating apparatus that outputs a test signal of high waveform quality even when the shape of an eye pattern is changed. This invention is an improvement of a pulse pattern generating apparatus that generates a test signal of a predetermined pattern by using plural digital-analog converters and outputs the test signal to a test subject.
    Type: Application
    Filed: July 23, 2004
    Publication date: March 17, 2005
    Applicant: YOKOGAWA ELECTRIC CORPORATION
    Inventors: Chie Sato, Shinji Kobayashi, Hirotoshi Kodaka, Ikurou Aoki, Kousuke Doi, Akira Toyama, Morio Wada, Hiroyuki Matsuura, Hiroshi Sugawara, Masamichi Ohashi, Hironori Okita, Yasukazu Akasaka, Tsuyoshi Yakihara, Akira Miura