Patents by Inventor Kousuke Katsura

Kousuke Katsura 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).

  • Booster that utilizes energy output from a power supply
    Patent number: 7449866
    Abstract: A booster circuit generates a boosted output by boosting a low voltage output supplied as a target to be boosted and feeds back a part of the boosted output, an output by the booster circuit itself, to the booster circuit as operation energy. An auxiliary booster circuit outputs start-up energy generated based on a low voltage output to the booster circuit as start-up energy that is necessary for starting up the booster circuit.
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: November 11, 2008
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Yasuyuki Kanai, Masato Mino, Satoshi Matsumoto, Kazuya Akiyama, Kousuke Katsura, Junichi Ohwaki, Satoshi Nakayama
  • Booster that utilizes energy output from a power supply unit
    Patent number: 7345458
    Abstract: A booster circuit generates a boosted output by boosting a low voltage output supplied as a target to be boosted and feeds back a part of the boosted output, an output by the booster circuit itself, to the booster circuit as operation energy. An auxiliary booster circuit outputs start-up energy generated based on a low voltage output to the booster circuit as start-up energy that is necessary for starting up the booster circuit.
    Type: Grant
    Filed: July 7, 2004
    Date of Patent: March 18, 2008
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Yasuyuki Kanai, Masato Mino, Satoshi Matsumoto, Kazuya Akiyama, Kousuke Katsura, Junichi Ohwaki, Satoshi Nakayama
  • BOOSTER THAT UTILIZES ENERGY OUTPUT FROM A POWER SUPPLY
    Publication number: 20080062729
    Abstract: A booster circuit generates a boosted output by boosting a low voltage output supplied as a target to be boosted and feeds back a part of the boosted output, an output by the booster circuit itself, to the booster circuit as operation energy. An auxiliary booster circuit outputs start-up energy generated based on a low voltage output to the booster circuit as start-up energy that is necessary for starting up the booster circuit.
    Type: Application
    Filed: October 26, 2007
    Publication date: March 13, 2008
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yasuyuki Kanai, Masato Mino, Satoshi Matsumoto, Kazuya Akiyama, Kousuke Katsura, Junichi Ohwaki, Satoshi Nakayama
  • Booster
    Publication number: 20060152200
    Abstract: A booster circuit generates a boosted output by boosting a low voltage output supplied as a target to be boosted and feeds back a part of the boosted output, an output by the booster circuit itself, to the booster circuit as operation energy. An auxiliary booster circuit outputs start-up energy generated based on a low voltage output to the booster circuit as start-up energy that is necessary for starting up the booster circuit.
    Type: Application
    Filed: July 7, 2004
    Publication date: July 13, 2006
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yasuyuki Kanai, Masato Mino, Satoshi Matsumoto, Kazuya Akiyama, Kousuke Katsura, Junichi Ohwaki, Satoshi Nakayama