Patents by Inventor Hitomi Narumiya

Hitomi Narumiya 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).

  • Publication number: 20220213333
    Abstract: An ink composition for inkjet and a method for inkjet recording are provided. The ink composition for inkjet includes: a pigment, a water, an alkanediol having a carbon number of 6 or more and 10 or less; and a resin emulsion. A minimum value of a mass ratio of the alkanediol to the ink composition for inkjet is 10%. And, the method includes: performing a typing by attaching an ink composition for inkjet to an ink-unabsorbable or ink-low-absorbable medium. The ink composition for inkjet is prepared by dispersing solutes including a pigment and a resin emulsion in a water including an alkanediol having a carbon number of 6 or more and 10 or less; and the typing is performed by ejecting the ink composition for inkjet on the ink-unabsorbable or ink-low-absorbable medium heated at 50° C. or more and 60° C. or less.
    Type: Application
    Filed: May 11, 2020
    Publication date: July 7, 2022
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventors: Masanobu Shinohara, Hitomi Narumiya
  • Publication number: 20200095440
    Abstract: An inkjet aqueous ink composition comprises a heterocyclic compound having a nitrogen atom in the heterocycle and a carbonyl group adjacent to the nitrogen atom, a resin, and water. The heterocyclic compound is preferably selected from the group consisting of 1,3-dimethyl-2-imidazolidinone and 1-methyl-2-pyrrolidone. The resin is preferably an acrylic resin.
    Type: Application
    Filed: September 24, 2019
    Publication date: March 26, 2020
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventors: Masanobu Shinohara, Hitomi Narumiya