Patents by Inventor Hisato Uragami

Hisato Uragami 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).

  • Air cleaner
    Patent number: 4846859
    Abstract: An air cleaner comprising a thin lightweight fan module having at least one fan, at least one casing containing one fan therein and at least one housing containing one casing therein; a thin lightweight air filter module having an air filter; and an air flow moderator disposed between the fan module and the air filter module.
    Type: Grant
    Filed: September 1, 1988
    Date of Patent: July 11, 1989
    Assignee: Nitta Co., Ltd.
    Inventors: Koji Nobiraki, Yoshiharu Metoku, Hisato Uragami, Toshitaka Tamaki, Keiji Yoshimura, Kazuhiko Otsuka
  • Air cleaner
    Patent number: 4790863
    Abstract: An air cleaner comprising a thin lightweight fan module having at least one fan, at least one casing containing one fan therein and at least one housing containing one casing therein; a thin lightweight air filter module having an air filter; and an air flow moderator disposed between the fan module and the air filter module.
    Type: Grant
    Filed: April 23, 1986
    Date of Patent: December 13, 1988
    Assignee: Nitta Co., Ltd.
    Inventors: Koji Nobiraki, Yoshiharu Metoku, Hisato Uragami, Toshitaka Tamaki, Keiji Yoshimura, Kazihiko Otsuka