This inventor holds 2 USPTO granted patents. Top assignee: Eastman-Kodak Company. Active years: 1987-1989.
Location History:
- Rochester, NY (US) (1987)
- Pittsford, NY (US) (1989)
Company Filing History:
Years Active: 1987-1989
Title: The Innovations of Carl E. Cowan
Introduction
Carl E. Cowan is a notable inventor based in Rochester, NY (US). He has made significant contributions to the field of electrophotography, holding a total of 2 patents. His work has focused on improving methods and apparatuses for producing multi-color images, which are essential in various printing applications.
Latest Patents
Cowan's latest patents include a "Method and apparatus utilizing corona erase for improving a multi-color" and "Electrophotographic color proofing apparatus and method." The first patent addresses an improvement in the method and apparatus for producing a multi-color electrophotographic image. This innovation allows an electrophotographic medium to be used for multiple charge-expose cycles without the accumulation of trapped charges, which can lead to an increase in toe voltage. The invention provides a systematic approach to charge, expose, and tone the medium to produce visible images in multiple colors while neutralizing trapped charges to revitalize the medium.
The second patent focuses on an electrophotographic color proof generating apparatus that includes a charger station, an exposure station, and a development station. This apparatus electronically controls the exposure and potentials at the charger and development stations to generate proofs that match the dot gain or loss and density of press sheets printed by various commercial presses. The process involves modifying color half-tone separations of artwork until an acceptable reproduction is achieved.
Career Highlights
Carl E. Cowan has had a distinguished career at Eastman Kodak Company, where he has applied his expertise in electrophotography. His innovations have played a crucial role in enhancing the quality and efficiency of color printing processes.
Collaborations
Throughout his career, Cowan has collaborated with notable coworkers such as John Patrick Spence and Thomas W. Nylund. These collaborations have contributed to the advancement of technology in the field of electrophotography.
Conclusion
Carl E. Cowan's contributions to the field of electrophotography through his patents and work at Eastman Kodak Company have significantly impacted the printing industry. His innovative methods continue to influence the way multi-color images are produced and reproduced.