Patents by Inventor Masako Ichioka

Masako Ichioka 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).

  • Recording medium, ink jet recording method using the recording medium, and method of producing the recording medium
    Patent number: 6663922
    Abstract: In a recording medium having an ink accepting layer formed on at least one surface of a base paper, the ink accepting layer is formed in the form of islands scattered on the surface of the base paper with a uniform plane density.
    Type: Grant
    Filed: May 17, 2000
    Date of Patent: December 16, 2003
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroyuki Ogino, Masako Ichioka
  • Recording medium and recording method using the same
    Patent number: 6605336
    Abstract: Provided is a recording medium provided with a porous ink-receiving layer containing thermoplastic resin particles and an inorganic pigment laminated on a substrate, wherein the pore radius distribution curve of said porous ink-receiving layer has a maximum peak in a pore radius range of from 1 &mgr;m to 10 &mgr;m and at least one peak in a pore radius range of from 0.001 &mgr;m to 0.1 &mgr;m and the total volume of pores having radii of from 0.1 &mgr;m to 20 &mgr;m is not less than 0.5 cm3/g.
    Type: Grant
    Filed: June 10, 1999
    Date of Patent: August 12, 2003
    Assignee: Canon Kabuskiki Kaisha
    Inventors: Hirofumi Ichinose, Masako Ichioka
  • Recording medium, ink jet recording method using the recording medium, and method of producing the recording medium
    Publication number: 20030026956
    Abstract: In a recording medium having an ink accepting layer formed on at least one surface of a base paper, the ink accepting layer is formed in the form of islands scattered on the surface of the base paper with a uniform plane density.
    Type: Application
    Filed: May 17, 2000
    Publication date: February 6, 2003
    Inventors: Hiroyuki Ogino, Masako Ichioka
  • RECORDING MEDIUM AND RECORDING METHOD USING THE SAME
    Publication number: 20020197452
    Abstract: Provided is a recording medium provided with a porous ink-receiving layer containing thermoplastic resin particles and an inorganic pigment laminated on a substrate, wherein the pore radius distribution curve of said porous ink-receiving layer has a maximum peak in a pore radius range of from 1 &mgr;m to 10 &mgr;m and at least one peak in a pore radius range of from 0.001 &mgr;m to 0.1 &mgr;m and the total volume of pores having radii of from 0.1 &mgr;m to 20 &mgr;m is not less than 0.5 cm3/g.
    Type: Application
    Filed: June 10, 1999
    Publication date: December 26, 2002
    Inventors: HIROFUMI ICHINOSE, MASAKO ICHIOKA
  • Heat-bondable ink-jet recording medium
    Patent number: 6432514
    Abstract: Provided is a heat-bondable ink-jet recording medium comprising a base sheet having an ink-receiving layer, and, on one face thereof, an adhesive layer having a melting point of not higher than 110° C. as measured by DSC and a melt viscosity of not lower than 10,000 cP within a temperature range of from 120 to 170° C.
    Type: Grant
    Filed: July 30, 1998
    Date of Patent: August 13, 2002
    Assignee: Canon Kabushiki Kaisha
    Inventors: Motokazu Kobayashi, Masako Ichioka
  • HEAT-BONDABLE INK-JET RECORDING MEDIUM
    Publication number: 20020106491
    Abstract: Provided is a heat-bondable ink-jet recording medium comprising a base sheet having an ink-receiving layer, and, on one face thereof, an adhesive layer having a melting point of not higher than 110° C. as measured by DSC and a melt viscosity of not lower than 10,000 cP within a temperature range of from 120 to 170° C.
    Type: Application
    Filed: July 30, 1998
    Publication date: August 8, 2002
    Inventors: MOTOKAZU KOBAYASHI, MASAKO ICHIOKA
  • Recording medium and ink jet recording process using it
    Patent number: 6177188
    Abstract: A recording medium which comprises a base paper containing a kenaf pulp and an ink receiving layer provided on at least one surface of the base paper, in which the ink receiving layer contains a pigment, the coating amount of the ink receiving layer is in the range of 1 to 10 g/m2 by solid matter, a ratio W/D of an elongation in water W to a density D of the recording medium is in the range of 0.1 to 6.0.
    Type: Grant
    Filed: March 26, 1999
    Date of Patent: January 23, 2001
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masako Ichioka, Hitoshi Yoshino, Yuji Kondo