John Stephen Dunfield

Title: John Stephen Dunfield: A Pioneer in Bioactive Delivery Systems and Security Printing

Introduction

John Stephen Dunfield, based in Corvallis, Oregon, has made significant contributions to the fields of bioactive delivery systems and security printing. With a remarkable portfolio of 17 patents, Dunfield has become a notable inventor, reflecting a commitment to innovation through his work.

Latest Patents

One of Dunfield's recent innovations includes a patent for fluid-jet pens configured for making modulated release bioactive agents. This invention outlines methods for creating bioactive agent-containing emulsions for delivery to biological systems. The process involves jetting a bioactive agent along with a first fluid medium into a second fluid medium to form the emulsion. Furthermore, his work on fluid-jet pens extends to the formation of bioactive agent-containing liposomes. Both innovations seek to facilitate the effective delivery of bioactive agents, contributing to advancements in biomedical applications.

Additionally, Dunfield's patent for a security printing analysis system enhances the integrity of printed materials. This method encompasses generating data for a region of interest, including crucial information for locating or analyzing it through a secure registry. The patented approach involves encrypting deterrents with the corresponding data, resulting in enhanced security measures for printed objects.

Career Highlights

John Dunfield's career includes impactful tenures at established organizations, such as Hewlett-Packard Development Company, L.P. and Hewlett-Packard Company. His involvement with these firms has enabled him to develop and refine his inventive skills, ultimately leading to important patents that serve both the medical and security sectors.

Collaborations

Throughout his career, Dunfield has collaborated with talented individuals including Grant Pease and Adam L. Ghozeil. These partnerships have played a significant role in fostering a collaborative environment conducive to innovation and the advancement of technology.

Conclusion

In summary, John Stephen Dunfield exemplifies the spirit of innovation through his significant contributions to bioactive delivery systems and security printing. With 17 patents to his name, his work continues to have a profound impact across various industries, depicting the essence of persistence and creativity in the realm of inventions.