Patents by Inventor Fuminiko Nagasaki

Fuminiko Nagasaki 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).

  • Pyrrole monomer
    Patent number: 5278295
    Abstract: A pyrrole polymer membrane having electrical conductivity and liquid crystal properties in the same matrix. The starting pyrrole monomer derivative is illustrated by the formula ##STR1## where R.sub.1 and R.sub.2 are selected so that at least either of them is an electron attractive group. Methods of producing such membranes by a electropolymerization process and by a chemical oxidation process are described.
    Type: Grant
    Filed: May 7, 1992
    Date of Patent: January 11, 1994
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Hirofumi Suzuki, Takehira Kaneko, Nobuo Matsui, Isami Hamamoto, Tetsuya Katoh, Toshiaki Satoh, Fuminiko Nagasaki