Patents Examined by Joseph Hartang
  • Ink jet recording apparatus
    Patent number: 5933163
    Abstract: An ink jet recording head for effecting recording with ejection of ink includes a plurality of element substrates each having a plurality of ejection energy generating elements for ejecting the ink; a base plate for supporting the plurality of element substrates on one surface thereof in an array; a grooved member having a length corresponding to a length of the array and having passages corresponding to the ejection energy generating elements of the plurality of element substrates.
    Type: Grant
    Filed: November 28, 1997
    Date of Patent: August 3, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yutaka Koizumi, Hiroshi Sugitani, Masaki Inaba, Masami Ikeda, Masami Kasamoto, Tsuyoshi Orikasa, Makiko Kimura, Toshio Kashino, Seiichiro Karita, Shuji Koyama, Haruhiko Terai, Kimiyuki Hayasaki, Akira Goto, Kouichi Omata, Takayuki Ono