Douglas M Collins

Title: Douglas M Collins: Innovator in Inkjet Technology

Introduction

Douglas M Collins is a notable inventor based in Corvallis, OR (US). He has made significant contributions to the field of inkjet technology, holding a total of 6 patents. His work has focused on improving print quality and fluid ejection devices, which have had a lasting impact on the industry.

Latest Patents

One of his latest patents is for a high print quality inkjet printhead. This innovation includes several improvements in inkjet print cartridges, enabling 5 ng drop weights at ejection frequencies of 18 KHz. Key enhancements involve small nozzle openings, improved heater resistor efficiency, and better ink supply reliability. Another significant patent is for a high-quality fluid ejection device. This device features a substrate with drop generators formed at a high density, primitive select lines, and a ground line. Each drop generator includes a heater resistor with high resistance, and the design allows for efficient electrical coupling to a power source.

Career Highlights

Throughout his career, Douglas has worked with prominent companies such as Hewlett-Packard Company and Hewlett-Packard Development Company, L.P. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the printing sector.

Collaborations

Douglas has collaborated with talented individuals in the field, including Todd A Cleland and Robert C Maze. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Douglas M Collins is a distinguished inventor whose work in inkjet technology has led to significant advancements in print quality and fluid ejection devices. His contributions continue to influence the industry and inspire future innovations.