Patents by Inventor Miki IINUMA

Miki IINUMA 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 Ink And Recording Apparatus
    Publication number: 20210198507
    Abstract: An ink jet ink contains a pigment; an inorganic oxide colloid; a betaine; and water, and in the ink jet ink described above, a total concentration (mg/L) of potassium ions and sodium ions in the ink is 500 ppm or less.
    Type: Application
    Filed: December 23, 2020
    Publication date: July 1, 2021
    Inventors: Hiroaki KUMETA, Soichi YAMAZAKI, Manabu TANIGUCHI, Shunsuke UCHIZONO, Miki IINUMA, Sena GOZU
  • Ink jet recording apparatus and ink jet recording set
    Patent number: 11014368
    Abstract: An ink jet recording apparatus includes a first tank storing a first ink and a second tank storing a second ink different from the first ink. The first tank and the second tank are arranged so as to have overlap when viewed in a vertical direction in an apparatus-using state.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: May 25, 2021
    Inventors: Miki Iinuma, Tomohito Nakano, Keisuke Morita
  • Ink Jet Recording Apparatus And Ink Jet Recording Set
    Publication number: 20200171833
    Abstract: An ink jet recording apparatus includes a first tank storing a first ink and a second tank storing a second ink different from the first ink. The first tank and the second tank are arranged so as to have overlap when viewed in a vertical direction in an apparatus-using state.
    Type: Application
    Filed: November 27, 2019
    Publication date: June 4, 2020
    Inventors: Miki IINUMA, Tomohito NAKANO, Keisuke MORITA