Patents by Inventor Hirota Koichi

Hirota Koichi 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).

  • Composition for forming receiving layer and recording sheet for inkjet printing
    Patent number: 7354634
    Abstract: A composition for forming a receiving layer for inkjet printing is provided. The composition, which is a solution or dispersion of a binder resin and a water-containing synthetic silica obtained by a wet gelling method in a solvent containing 10-80% by weight of alcohol, has a low viscosity, exhibits excellent applicability, can adsorb a large amount of ink, and can form a hard receiving layer suitable for inkjet printing. A method of manufacturing the composition and a recording sheet for inkjet printing having a receiving layer formed from the composition are also provided.
    Type: Grant
    Filed: October 29, 2004
    Date of Patent: April 8, 2008
    Assignee: Lintec Corporation
    Inventors: Nishikawa Takehiko, Hirota Koichi
  • Composition for forming receiving layer and recording sheet for inkjet printing
    Publication number: 20050148691
    Abstract: A composition for forming a receiving layer for inkjet printing is provided. The composition, which is a solution or dispersion of a binder resin and a water-containing synthetic silica obtained by a wet gelling method in a solvent containing 10-80% by weight of alcohol, has a low viscosity, exhibits excellent applicability, can adsorb a large amount of ink, and can form a hard receiving layer suitable for inkjet printing. A method of manufacturing the composition and a recording sheet for inkjet printing having a receiving layer formed from the composition are also provided.
    Type: Application
    Filed: October 29, 2004
    Publication date: July 7, 2005
    Applicant: LINTEC CORPORATION
    Inventors: Nishikawa Takehiko, Hirota Koichi
  • Composition for forming receiving layer and recording sheet for inkjet printing
    Publication number: 20020193496
    Abstract: A composition for forming a receiving layer for inkjet printing is provided. The composition, which is a solution or dispersion of a binder resin and a water-containing synthetic silica obtained by a wet gelling method in a solvent containing 10-80% by weight of alcohol, has a low viscosity, exhibits excellent applicability, can adsorb a large amount of ink, and can form a hard receiving layer suitable for inkjet printing. A method of manufacturing the composition and a recording sheet for inkjet printing having a receiving layer formed from the composition are also provided.
    Type: Application
    Filed: March 29, 2002
    Publication date: December 19, 2002
    Applicant: LINTEC CORPORATION
    Inventors: Nishikawa Takehiko, Hirota Koichi