Patents by Inventor Kazuto Takashima

Kazuto Takashima 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).

  • Ink jet recording head and ink jet recording head cartridge
    Patent number: 8157347
    Abstract: An ink jet recording head comprising a discharge port for discharging an ink; and a sealing tape for sealing the discharge port; wherein the sealing tape includes a pressure-sensitive adhesive layer constituted of an acrylic crosslinked polymer formed by crosslinking an alkyl(meth)acrylate ester copolymer with a metal chelate compound, and is peelably adhered, through the pressure-sensitive adhesive layer, to a part where the discharge port is formed.
    Type: Grant
    Filed: July 6, 2006
    Date of Patent: April 17, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tadayoshi Inamoto, Yoshiaki Kurihara, Masako Shimomura, Satoshi Shimazu, Kazuto Takashima, Ikumi Sakata, Koji Tomita
  • Ink jet recording head and ink jet recording head cartridge
    Publication number: 20070064059
    Abstract: An ink jet recording head comprising a discharge port for discharging an ink; and a sealing tape for sealing the discharge port; wherein the sealing tape includes a pressure-sensitive adhesive layer constituted of an acrylic crosslinked polymer formed by crosslinking an alkyl (meth)acrylate ester copolymer with a metal chelate compound, and is peelably adhered, through the pressure-sensitive adhesive layer, to a part where the discharge port is formed.
    Type: Application
    Filed: July 6, 2006
    Publication date: March 22, 2007
    Applicant: Canon Kabushiki Kaisha
    Inventors: Tadayoshi Inamoto, Yoshiaki Kurihara, Masako Shimomura, Satoshi Shimazu, Kazuto Takashima, Ikumi Sakata, Koji Tomita