Patents by Inventor Takehiro Tsutumi

Takehiro Tsutumi 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).

  • Water-Based Inks for Ink-Jet Printing
    Publication number: 20080234407
    Abstract: There are provided a water-based ink for ink-jet printing which not only satisfies a high optical density but also is excellent in gloss and image clarity upon printing on a coated paper; a water dispersion used in the water-based ink; and a process for producing the water dispersion.
    Type: Application
    Filed: November 18, 2005
    Publication date: September 25, 2008
    Applicant: KAO CORPORATION
    Inventors: Nobushige Tanaka, Isao Tsuru, Masato Hoshi, Takehiro Tsutumi