Patents by Inventor Hyung Y. Kim

Hyung Y. Kim 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).

  • Polycyanamide compounds generating photoelectric current and process for their preparation
    Patent number: 5259988
    Abstract: A polycyanamide compound represented by the general formula (I): ##STR1## wherein A is ##STR2## X is an integer ranging from 10 to 30. This polycyanamide compound of the formula (I) is a photoelectric material and, in this respect, can be used for photovoltaic cells, macromolecular cells and functional elements such as photo sensors.
    Type: Grant
    Filed: December 3, 1992
    Date of Patent: November 9, 1993
    Assignee: Korea Institute of Science and Technology
    Inventors: Sang W. Park, Kyung H. Yoo, Yong K. Kang, Young H. Lee, Hyung Y. Kim, Hyon T. Kwak, Yeong I. Lee