Patents by Inventor Ryouta AKEYAMA

Ryouta AKEYAMA 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).

  • Multiplexer for voltage measurement and voltage measuring unit including the same
    Patent number: 9496861
    Abstract: A multiplexer for voltage measurement includes: a first switch disposed on a first channel extending between at least one high-voltage input terminal and an output terminal; a plurality of second switches respectively disposed on second channels each extending between each of input terminals other than the high-voltage input terminal and the output terminal; and a third switch disposed between a group of the plurality of second switches and an output terminal side end of the first switch. Each of the first switch and the third switch is configured to operate even by a voltage higher than a power supply voltage.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: November 15, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kazuhiro Shimomura, Ryouta Akeyama
  • MULTIPLEXER FOR VOLTAGE MEASUREMENT AND VOLTAGE MEASURING UNIT INCLUDING THE SAME
    Publication number: 20140117975
    Abstract: A multiplexer for voltage measurement includes: a first switch disposed on a first channel extending between at least one high-voltage input terminal and an output terminal; a plurality of second switches respectively disposed on second channels each extending between each of input terminals other than the high-voltage input terminal and the output terminal; and a third switch disposed between a group of the plurality of second switches and an output terminal side end of the first switch. Each of the first switch and the third switch is configured to operate even by a voltage higher than a power supply voltage.
    Type: Application
    Filed: December 23, 2013
    Publication date: May 1, 2014
    Applicant: PANASONIC CORPORATION
    Inventors: Kazuhiro SHIMOMURA, Ryouta AKEYAMA