Patents by Inventor Tsuneo SHIROTA

Tsuneo SHIROTA 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 FOR INKJET PRINTING
    Publication number: 20130310496
    Abstract: The invention provides an ink composition for ink-jet printing which does not cause clogging of nozzles of an ink-jet printer during printing, to thereby provide a print of desired printing quality; which ensures an appropriate drying rate of printed images; and which attains excellent color development. The ink composition for ink-jet printing, containing a pigment, a binder resin, a pigment dispersant, and a solvent, wherein the solvent is formed of (1) at least one glycol ether and at least one of a lactone compound and 2-pyrrolidone, or (2) at least one glycol ether acetate and at least one of cyclohexane and isophorone.
    Type: Application
    Filed: July 23, 2013
    Publication date: November 21, 2013
    Applicant: DAI NIPPON TORYO CO., LTD.
    Inventors: Toshihiko SHIOTANI, Tetsuo SUGAWA, Takehiro KOTERA, Yusuke MIZUTAKI, Mikio KUWAHARA, Kenji HAYASHI, Hiroki HAYASHI, Shuji SANO, Tsuneo SHIROTA, Katsutaka NAKATSU
  • Ink composition for inkjet printing
    Patent number: 8586656
    Abstract: An ink composition for ink-jet printing does not cause clogging of nozzles of an ink-jet printer during printing, thereby providing a print of desired printing quality; which ensures an appropriate drying rate of printed images; and which attains excellent color development. The ink composition for ink-jet printing, containing a pigment, a binder resin, a pigment dispersant, and a solvent, wherein the solvent is formed of (1) at least one glycol ether and at least one of a lactone compound and 2-pyrrolidone, or (2) at least one glycol ether acetate and at least one of cyclohexane and isophorone.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: November 19, 2013
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Toshihiko Shiotani, Tetsuo Sugawa, Takehiro Kotera, Yusuke Mizutaki, Mikio Kuwahara, Kenji Hayashi, Hiroki Hayashi, Shuji Sano, Tsuneo Shirota, Katsutaka Nakatsu
  • INK COMPOSITION FOR INKJET PRINTING
    Publication number: 20100280158
    Abstract: An ink composition for ink-jet printing does not cause clogging of nozzles of an ink-jet printer during printing, thereby providing a print of desired printing quality; which ensures an appropriate drying rate of printed images; and which attains excellent color development. The ink composition for ink-jet printing, containing a pigment, a binder resin, a pigment dispersant, and a solvent, wherein the solvent is formed of (1) at least one glycol ether and at least one of a lactone compound and 2-pyrrolidone, or (2) at least one glycol ether acetate and at least one of cyclohexane and isophorone.
    Type: Application
    Filed: July 14, 2010
    Publication date: November 4, 2010
    Applicant: DAI NIPPON TORYO CO., LTD.
    Inventors: Toshihiko SHIOTANI, Tetsuo SUGAWA, Takehiro KOTERA, Yusuke MIZUTAKI, Mikio KUWAHARA, Kenji HAYASHI, Hiroki HAYASHI, Shuji SANO, Tsuneo SHIROTA, Katsutaka NAKATSU