Patents by Inventor Chei Maruyama

Chei Maruyama 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 COMPOSITION, INK JET RECORDING METHOD, AND RECORDED MATTER
    Publication number: 20110236649
    Abstract: An ink composition includes at least a pigment, a polyhydric alcohol monoalkyl ether having a vapor pressure of 0.1 mmHg or less at 20° C. and/or a nitrogen-containing cyclic compound, a polyhydric alcohol, an unsaturated fatty acid, an alkyl alcohol having 1 to 4 carbon atoms, a surfactant, and 10% to 60% by mass of water. An in jet recording method uses the ink composition, and a recorded matter is produced by the ink jet recording method.
    Type: Application
    Filed: March 25, 2011
    Publication date: September 29, 2011
    Inventors: Ayako NISHIKI, Chei Maruyama, Miharu Kanaya, Soichi Yamazaki