Patents by Inventor Kohei Hayakawa

Kohei Hayakawa 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: 20210139721
    Abstract: The method for producing a pigment-kneaded product includes a step [1] of supplying at least a pigment and a resin to a container provided in a kneading apparatus and a step [2] of kneading the resulting content (content (a1)) present in the container until a storage elastic modulus of content (a1) at an angular frequency of 1 rad/s, which is obtained by measurement of dynamic viscoelasticity at 25° C., reaches a range of 200 kPa to 30,000 kPa.
    Type: Application
    Filed: May 16, 2019
    Publication date: May 13, 2021
    Applicant: DIC Corporation
    Inventors: Kenji Sugo, Kohei Hayakawa, Shinichi Okada, Yoshihiro Sato