Patents by Inventor Akihiro Ikawa

Akihiro Ikawa 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).

  • Ventilator
    Patent number: 9416984
    Abstract: A ventilator includes a body casing having an opening formed in its lower portion and an exhaust port formed on one side; a fan that is provided in the body casing, for sucking indoor air from the opening and exhausting the indoor air from the exhaust port; a resin fan casing that has a suction port and forms an air passage of the fan; a protection frame formed outside the air passage to cover a terminal block provided outside the air passage; a resin terminal block cover that watertightly seals a protection frame opening of a lower portion of the protection frame and is opened and closed; a sheet-metal case that is provided in the protection frame and stores the terminal block; and a sheet-metal terminal block cover that opens and closes a lower opening of the sheet-metal case.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: August 16, 2016
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Kenji Masuda, Yoshikatsu Nankaku, Daisuke Nagasaki, Akihiro Ikawa
  • VENTILATOR
    Publication number: 20140220881
    Abstract: A ventilator includes a body casing having an opening formed in its lower portion and an exhaust port formed on one side; a fan that is provided in the body casing, for sucking indoor air from the opening and exhausting the indoor air from the exhaust port; a resin fan casing that has a suction port and forms an air passage of the fan; a protection frame formed outside the air passage to cover a terminal block provided outside the air passage; a resin terminal block cover that watertightly seals a protection frame opening of a lower portion of the protection frame and is opened and closed; a sheet-metal case that is provided in the protection frame and stores the terminal block; and a sheet-metal terminal block cover that opens and closes a lower opening of the sheet-metal case.
    Type: Application
    Filed: April 4, 2014
    Publication date: August 7, 2014
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Kenji MASUDA, Yoshikatsu NANKAKU, Daisuke NAGASAKI, Akihiro IKAWA
  • Ventilator
    Patent number: 8784040
    Abstract: A ventilator includes a body casing having an opening formed in its lower portion and an exhaust port formed on one side; a fan that is provided in the body casing, for sucking indoor air from the opening and exhausting the indoor air from the exhaust port; a resin fan casing that has a suction port and forms an air passage of the fan; a protection frame formed outside the air passage to cover a terminal block provided outside the air passage; a resin terminal block cover that watertightly seals a protection frame opening of a lower portion of the protection frame and is opened and closed; a sheet-metal case that is provided in the protection frame and stores the terminal block; and a sheet-metal terminal block cover that opens and closes a lower opening of the sheet-metal case.
    Type: Grant
    Filed: May 26, 2008
    Date of Patent: July 22, 2014
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kenji Masuda, Yoshikatsu Nankaku, Daisuke Nagasaki, Akihiro Ikawa
  • VENTILATOR
    Publication number: 20110008159
    Abstract: A ventilator includes a body casing having an opening formed in its lower portion and an exhaust port formed on one side; a fan that is provided in the body casing, for sucking indoor air from the opening and exhausting the indoor air from the exhaust port; a resin fan casing that has a suction port and forms an air passage of the fan; a protection frame formed outside the air passage to cover a terminal block provided outside the air passage; a resin terminal block cover that watertightly seals a protection frame opening of a lower portion of the protection frame and is opened and closed; a sheet-metal case that is provided in the protection frame and stores the terminal block; and a sheet-metal terminal block cover that opens and closes a lower opening of the sheet-metal case.
    Type: Application
    Filed: May 26, 2008
    Publication date: January 13, 2011
    Applicant: Mitsubishi Electric Corporation
    Inventors: Kenji Masuda, Yoshikatsu Nankaku, Daisuke Nagasaki, Akihiro Ikawa