Patents by Inventor Isamu GAMOU

Isamu GAMOU 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).

  • SHIELDED METAL ARC WELDING SYSTEM AND WELDING POWER SUPPLY FOR SHIELDED METAL ARC WELDING
    Publication number: 20190184483
    Abstract: A welding power supply is configured to supply electric power to a coated electrode. The welding power supply includes a rectifying circuit that converts inputted AC power into DC power, and an inverter circuit that converts the DC power into AC power to be outputted to the coated electrode. The inverter circuit is configured to output a square-wave current.
    Type: Application
    Filed: December 5, 2018
    Publication date: June 20, 2019
    Inventors: Yuichi Miyajima, Isamu Gamou
  • Power supply apparatus including fan for air cooling
    Patent number: 8462505
    Abstract: A power supply apparatus includes an air path extending longitudinally, a fan that blows air into the air path in a direction intersecting a longitudinal direction of the air path, and a plurality of electronic components arranged in the longitudinal direction. Each of the electronic components is cooled by air passing through the air path. With this configuration, it is possible to efficiently cool the electronic components without compromising the flexibility of arrangement of the various electronic components. Also, a dust removal operation can be readily performed without the possibility of damaging the fan.
    Type: Grant
    Filed: March 9, 2011
    Date of Patent: June 11, 2013
    Assignee: DAIHEN Corporation
    Inventors: Kazutoshi Nagami, Toshimitsu Doi, Haruhiko Manabe, Hirotsune Tajima, Tetsuya Etoh, Masayoshi Kureha, Isamu Gamou
  • POWER SUPPLY APPARATUS INCLUDING FAN FOR AIR COOLING
    Publication number: 20110222243
    Abstract: A power supply apparatus includes an air path extending longitudinally, a fan that blows air into the air path in a direction intersecting a longitudinal direction of the air path, and a plurality of electronic components arranged in the longitudinal direction. Each of the electronic components is cooled by air passing through the air path. With this configuration, it is possible to efficiently cool the electronic components without compromising the flexibility of arrangement of the various electronic components. Also, a dust removal operation can be readily performed without the possibility of damaging the fan.
    Type: Application
    Filed: March 9, 2011
    Publication date: September 15, 2011
    Applicant: DAIHEN CORPORATION
    Inventors: Kazutoshi NAGAMI, Toshimitsu DOI, Haruhiko MANABE, Hirotsune TAJIMA, Tetsuya ETOH, Masayoshi KUREHA, Isamu GAMOU