Patents by Inventor J. Michael Ishler

J. Michael Ishler 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).

  • Single layer photoreceptor
    Patent number: 5336577
    Abstract: A thick organic ambipolar layer on a photoresponsive device is simultaneously capable of charge generation and charge transport. In particular, the organic photoresponsive layer contains an electron transport material such as a fluorenylidene malonitrile derivative and a hole transport material such as a dihydroxy tetraphenyl benzadine containing polymer. These may be complexed to provide photoresponsivity, and/or a photoresponsive pigment or dye may also be included.
    Type: Grant
    Filed: June 2, 1993
    Date of Patent: August 9, 1994
    Assignee: Xerox Corporation
    Inventors: John W. Spiewak, John F. Yanus, Damodar M. Pai, Joseph Mammino, Dennis A. Abramsohn, William W. Limburg, Dale S. Renfer, Chei-Jen Chen, Paul DeFeo, Steven J. Grammatica, J. Michael Ishler, Merlin E. Scharfe, Donald S. Sypula