Patents by Inventor Ryoze Akiyama

Ryoze Akiyama 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).

  • INKJET PRINTING METHOD, PRETREATMENT LIQUID FOR INKJET PRINTING AND INK COMPOSITION
    Publication number: 20120169808
    Abstract: According to an embodiment of the present invention, with an inkjet printer, an image is formed by adhering a colorless pretreatment liquid containing a polyvalent metal salt, 3-methoxy-3-methyl-1-butanol, and water to a plain paper thereby subjecting the plain paper to pretreatment, and thereafter, ejecting at least one type of ink composition containing a pigment and water and reacting with the polyvalent metal salt onto the plain paper.
    Type: Application
    Filed: March 12, 2012
    Publication date: July 5, 2012
    Applicants: TOSHIBA TEC KABUSHIKI KAISHA, KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroshi Kiyomoto, Ryoze Akiyama, Takaya Kitawaki
  • INKJET PRINTING METHOD, PRETREATMENT LIQUID FOR INKJET PRINTING AND INK COMPOSITION
    Publication number: 20090219330
    Abstract: According to an embodiment of the present invention, with an inkjet printer, an image is formed by adhering a colorless pretreatment liquid containing a polyvalent metal salt, 3-methoxy-3-methyl-1-butanol, and water to a plain paper thereby subjecting the plain paper to pretreatment, and thereafter, ejecting at least one type of ink composition containing a pigment and water and reacting with the polyvalent metal salt onto the plain paper.
    Type: Application
    Filed: February 18, 2009
    Publication date: September 3, 2009
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHA
    Inventors: Hiroshi Kiyomoto, Ryoze Akiyama, Takaya Kitawaki