David J Kozak

Title: David J Kozak: Innovator in Reversible Piezochromic Systems

Introduction

David J Kozak is a notable inventor based in Fairfield, OH (US). He has made significant contributions to the field of materials science, particularly in the development of reversible piezochromic systems. With a total of 2 patents, his work showcases innovative approaches to changing material properties under mechanical stress.

Latest Patents

Kozak's latest patents include a reversible piezochromic system and methods for its creation and application. This invention provides a system that alters its appearance when subjected to mechanical force. The system consists of a cavity formed by two substrates, containing a fluid that spreads upon force application. The relaxation time of this fluid is influenced by the internal forces within the system, including surface energy differences and rheological properties. Another significant invention is a piezochromic device that exhibits a reversible change in appearance when an external force is applied, reverting to its original state after the force is removed. This device features a transparent or semi-transparent cover layer and a magnetic layer, with a liquid medium containing magnetically alignable pigments situated between them.

Career Highlights

David J Kozak is currently associated with Sun Chemical Corporation, where he continues to push the boundaries of innovation in materials science. His work has implications for various applications, including sensors and display technologies.

Collaborations

Kozak has collaborated with notable colleagues such as Russell J Schwartz and Deborah Charlson, contributing to a dynamic research environment that fosters innovation.

Conclusion

David J Kozak's contributions to reversible piezochromic systems highlight his role as a leading inventor in the field. His innovative patents and collaborations reflect a commitment to advancing technology and materials science.