Company Filing History:
5 out of 9,638 
2 out of 16,338 
Years Active: 1998-2002
Title: David H Donovan: Innovator in Printing Technology
Introduction
David H Donovan is a notable inventor based in Barcelona, Spain. He has made significant contributions to the field of printing technology, holding a total of 7 patents. His innovative approaches have led to advancements that enhance the performance and efficiency of printing systems.
Latest Patents
One of Donovan's latest patents is titled "Selectively warming a printhead for optimized performance." This invention provides a system and method for selectively warming a printhead in response to sudden changes in operating conditions of a printer. These conditions may include duty cycle, print density, and print speed, which can be detected or predicted. By selectively warming the printhead, Donovan's invention reduces fluctuations in drop volume, preventing thermal banding while maintaining optimal temperatures.
Another significant patent is the "Mid plot refill technique for large scale printers." This technique allows for pausing and resuming printing operations in mid-plot while minimizing visible artifacts. The method involves determining a pause location where printing is to be paused, allowing for operations such as pen refills to be performed without affecting the quality of the printed output. This innovation is adaptable based on print parameters, including media type and print quality.
Career Highlights
Throughout his career, David H Donovan has worked with prominent companies such as Hewlett-Packard Company and E.I. du Pont de Nemours and Company. His experience in these organizations has contributed to his expertise in printing technologies and innovation.
Collaborations
Donovan has collaborated with notable professionals in the field, including Gregg A Lane and Stefano Schiaffino. These collaborations have further enriched his work and contributed to the development of advanced printing solutions.
Conclusion
David H Donovan is a distinguished inventor whose work in printing technology has led to several important patents. His innovative solutions continue to influence the industry, showcasing his commitment to enhancing printing performance and efficiency.