Patents by Inventor Kazuhiro Kohama

Kazuhiro Kohama 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: 20090258079
    Abstract: A biocompatible block copolymer having a hydrophobic segment composed of amino acid and hydroxycarboxylic acid and a hydrophilic segment composed of polyalkylene oxide, wherein the terminal not bonded to the hydrophilic segment of the hydrophobic segment is composed of an amino acid unit.
    Type: Application
    Filed: October 2, 2006
    Publication date: October 15, 2009
    Inventors: Ryoichi Katakai, Kazuhiro Kohama, Yoshiki Suzuki