Joannes J Koomen

Title: Innovations of Joannes J Koomen: A Pioneer in Semiconductor Technology

Introduction

Joannes J Koomen is a notable inventor based in Los Altos, California, renowned for his contributions to semiconductor technology. With a portfolio of 9 patents, he has significantly advanced the field of programmable memory and integrated logic circuits.

Latest Patents

One of his most recent innovations is titled "Non-volatile, programmable semiconductor memory having reduced testing." This invention introduces an innovative testing method for programmable memories such as EPROM and EEPROM. By integrating a row and/or column of test memory cells into the memory matrix, the testing of peripheral circuits becomes more efficient. The test memory cells, which have a much shorter write time compared to the non-volatile memory cells, allow for drastic reductions in testing time—a factor of 80 or higher for larger memory designs.

Another significant patent is the "Integrated logic circuit having a control circuit for generating an output current which increases linearly in time." In this invention, Koomen addresses the issue of reverse voltage pulses during rapid variations in data output in integrated circuits. By employing a control voltage that varies in a square root fashion, he ensures a gradual increase in charge or discharge currents, enhancing the overall reliability of integrated logic circuits.

Career Highlights

Throughout his career, Joannes J Koomen has played pivotal roles in various esteemed organizations. His tenure at U.S. Philips Corporation and Signetics has been marked by a commitment to innovative development in semiconductor technologies. His extensive experience has not only shaped his expertise but has also contributed to groundbreaking advancements in the industry.

Collaborations

Koomen has collaborated with other talented professionals, including Roelof H Salters and Jan Lohstroh. These partnerships have facilitated the exchange of ideas and fostered a synergistic environment for innovation. Together, they have tackled complex engineering challenges, leading to the successful development of several patented technologies.

Conclusion

Joannes J Koomen exemplifies the spirit of innovation that drives the semiconductor industry forward. With 9 patents to his name, he continues to influence technological advancements, particularly in programmable memories and integrated circuits. His work not only reflects his dedication as an inventor but also showcases the collaborative efforts that spur transformative change within the field.