Patents by Inventor Atsuko Nishi

Atsuko Nishi 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).

  • Cartridge for water purifier
    Patent number: D500836
    Type: Grant
    Filed: June 11, 2003
    Date of Patent: January 11, 2005
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Atsuko Nishi, Manabu Yanou
  • Water purifier
    Patent number: D504935
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: May 10, 2005
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Masahiko Taneike, Atsuko Nishi, Koji Oobori, Masashi Niimura
  • Water purifier
    Patent number: D497195
    Type: Grant
    Filed: June 11, 2003
    Date of Patent: October 12, 2004
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Atsuko Nishi, Manabu Yanou
  • Switch valve for a water purifier
    Patent number: D497412
    Type: Grant
    Filed: October 13, 2003
    Date of Patent: October 19, 2004
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Atsuko Nishi, Masahiko Taneike