Patents by Inventor Tomohiko Kitano

Tomohiko Kitano 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).

  • Voltage detector having voltage detection printed board
    Patent number: 8710824
    Abstract: A voltage detector having a voltage detection printed board including a board having a penetration hole that penetrates the board, a first pattern wire formed at a periphery of the penetration hole, a second pattern wire formed at the periphery of the penetration hole, and a plurality of through holes that penetrate the board between the first and second pattern wires. Also provided is a conductive casing in which the voltage detection printed board is fixed, wherein, when a conductor, in which AC voltage is generated, is disposed to pass through the penetration hole, the pattern wires act with the conductor to function as electrodes of a capacitor.
    Type: Grant
    Filed: August 2, 2011
    Date of Patent: April 29, 2014
    Assignee: Daihen Corporation
    Inventors: Yoshifumi Ibuki, Shigeki Amadatsu, Tomohiko Kitano, Shuji Omae
  • CURRENT DETECTION PRINTED BOARD, VOLTAGE DETECTION PRINTED BOARD, AND CURRENT/VOLTAGE DETECTOR USING SAME, AND CURRENT DETECTOR AND VOLTAGE DETECTOR
    Publication number: 20110285412
    Abstract: A current detection printed board includes: a board having a penetration hole that penetrates the board; and at least one wire that is formed in a coiled shape having both ends by penetrating the board along the periphery of the penetration hole and alternately connecting a front surface layer and a rear surface layer of the board, wherein, when a conductor, in which an AC current flows, is disposed to pass through the inside of the penetration hole, a current flowing in the wire is output through electromagnetic induction.
    Type: Application
    Filed: August 2, 2011
    Publication date: November 24, 2011
    Applicant: DAIHEN CORPORATION
    Inventors: Yoshifumi IBUKI, Shigeki AMADATSU, Tomohiko KITANO, Shuji OMAE
  • CURRENT DETECTION PRINTED BOARD, VOLTAGE DETECTION PRINTED BOARD, AND CURRENT/VOLTAGE DETECTOR USING SAME, AND CURRENT DETECTOR AND VOLTAGE DETECTOR
    Publication number: 20100176904
    Abstract: A current detection printed board includes: a board having a penetration hole that penetrates the board; and at least one wire that is formed in a coiled shape having both ends by penetrating the board along the periphery of the penetration hole and alternately connecting a front surface layer and a rear surface layer of the board, wherein, when a conductor, in which an AC current flows, is disposed to pass through the inside of the penetration hole, a current flowing in the wire is output through electromagnetic induction.
    Type: Application
    Filed: March 26, 2010
    Publication date: July 15, 2010
    Applicant: DAIHEN CORPORATION
    Inventors: Yoshifumi IBUKI, Shigeki Amadatsu, Tomohiko Kitano, Shuji Omae
  • Current detection printed board, voltage detection printed board, and current/voltage detector using same, and current detector and voltage detector
    Patent number: 7714594
    Abstract: A current detection printed board includes: a board having a penetration hole that penetrates the board; and at least one wire that is formed in a coiled shape having both ends by penetrating the board along the periphery of the penetration hole and alternately connecting a front surface layer and a rear surface layer of the board, wherein, when a conductor, in which an AC current flows, is disposed to pass through the inside of the penetration hole, a current flowing in the wire is output through electromagnetic induction.
    Type: Grant
    Filed: January 26, 2007
    Date of Patent: May 11, 2010
    Assignee: Daihen Corporation
    Inventors: Yoshifumi Ibuki, Shigeki Amadatsu, Tomohiko Kitano, Shuji Omae
  • CURRENT DETECTION PRINTED BOARD, VOLTAGE DETECTION PRINTED BOARD, AND CURRENT/VOLTAGE DETECTOR USING SAME, AND CURRENT DETECTOR AND VOLTAGE DETECTOR
    Publication number: 20070194797
    Abstract: A current detection printed board includes: a board having a penetration hole that penetrates the board; and at least one wire that is formed in a coiled shape having both ends by penetrating the board along the periphery of the penetration hole and alternately connecting a front surface layer and a rear surface layer of the board, wherein, when a conductor, in which an AC current flows, is disposed to pass through the inside of the penetration hole, a current flowing in the wire is output through electromagnetic induction.
    Type: Application
    Filed: January 26, 2007
    Publication date: August 23, 2007
    Applicant: DAIHEN CORPORATION
    Inventors: Yoshifumi IBUKI, Shigeki AMADATSU, Tomohiko KITANO, Shuji OMAE