Yozo Shimada

Title: Yozo Shimada: Innovator in Ink-Jet Printing Technology

Introduction

Yozo Shimada is a prominent inventor known for his contributions to the field of ink-jet printing technology. He is based in Nagano, Japan, and holds a total of 8 patents. His innovative work has significantly impacted the efficiency and functionality of printing systems.

Latest Patents

One of Shimada's latest patents is a drop-on-demand ink-jet printing head. This invention features an array of piezoelectric elements arranged at regular intervals, with one end fixed to a base and the other end free, positioned opposite the nozzle apertures. The piezoelectric elements are crafted by cutting a piezoelectric plate, which is formed by firing a lamination of paste-like piezoelectric material and conductive material stacked alternately in layers. When a voltage of approximately 30 V is applied across the electrodes, the piezoelectric element flexes significantly, allowing ink to be discharged as droplets. This design simplifies the driving circuit and enables the creation of small-sized piezoelectric elements with high accuracy, akin to semiconductor production processes.

Career Highlights

Throughout his career, Yozo Shimada has worked with notable companies, including Seiko Epson Corporation. His expertise in piezoelectric technology has positioned him as a key figure in the development of advanced printing solutions.

Collaborations

Shimada has collaborated with several talented individuals in the industry, including Minoru Usui and Haruhiko Koto. Their combined efforts have contributed to the advancement of ink-jet printing technologies.

Conclusion

Yozo Shimada's innovative work in the field of ink-jet printing has led to significant advancements in technology. His contributions continue to influence the industry, showcasing the importance of innovation in enhancing printing capabilities.