Company Filing History:
Years Active: 1983-1993
Title: John J Kopko: Innovator in Photoconductive Surface Technology
Introduction
John J Kopko is a notable inventor based in Macedon, NY (US). He has made significant contributions to the field of printing technology, particularly in the area of photoconductive surfaces. With a total of 7 patents to his name, Kopko's work has had a lasting impact on the industry.
Latest Patents
Kopko's latest patents include a method and apparatus for charging a photoconductive surface to a uniform potential. This invention is designed for use in printing machines that have a cleaning station and an exposure station. The apparatus features a first mechanism that charges the surface to a uniform potential of a first polarity after cleaning. It also includes a second mechanism that charges the surface to a uniform potential of a second polarity, which is opposite to the first, before exposure to a light source. Another significant patent involves a cleaning device that includes an abrading cleaning brush for comet control. This apparatus effectively cleans residual toner from a charge retentive surface using a rotating abrading brush, which reduces friction and prevents the formation of adhered toner particles.
Career Highlights
Throughout his career, John J Kopko has worked with prominent companies such as Xerox Corporation and Zerox Corporation. His experience in these organizations has allowed him to develop innovative solutions that address challenges in printing technology.
Collaborations
Kopko has collaborated with notable coworkers, including Stephen T Dunn and Clive R Daunton. Their combined expertise has contributed to the advancement of technology in their field.
Conclusion
John J Kopko's contributions to the field of photoconductive surface technology demonstrate his innovative spirit and dedication to improving printing processes. His patents continue to influence the industry and showcase his role as a leading inventor.