Patents by Inventor Chiaki Kotani

Chiaki Kotani 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).

  • Fine composite polymer particles and image recording material by use thereof
    Patent number: 5800972
    Abstract: An image recording material improved in its physical property is disclosed, comprising composite polymer particles which comprise inorganic particles and a hydrophobic polymer compound containing a repeating unit represented by the following formula. The composite polymer particles are formed by polymerizing, in the presence of the inorganic particles, a composition containing a hydrophobic monomer.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: September 1, 1998
    Assignee: Konica Corporation
    Inventors: Chiaki Kotani, Kiyokazu Morita, Eiichi Ueda, Yasuo Kurachi