Sigeru Jyomura

Title: Sigeru Jyomura: Innovator in Piezoelectric Technology

Introduction

Sigeru Jyomura is a notable inventor based in Hachioji, Japan. He has made significant contributions to the field of piezoelectric materials, particularly through his innovative patent. His work has implications for various applications in electronics and telecommunications.

Latest Patents

Sigeru Jyomura holds a patent for a piezoelectric single crystal and a surface acoustic wave element employing it. The patent describes a piezoelectric single crystal with a composition represented by the general formula (Ba.sub.2-x Sr.sub.x)TiSi.sub.2 O.sub.8, where the value of x lies within the range of 0.25 ≤ x ≤ 1.2. The surface acoustic wave element is designed to utilize surface waves that propagate on a cut plane perpendicular to the Z-axis of the single crystal or in a specified direction on a cut plane containing the X-axis. This innovation boasts a high electromechanical coupling factor and a low temperature coefficient of delay time for surface acoustic waves.

Career Highlights

Sigeru Jyomura is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to focus on advancing piezoelectric materials and their applications in various technologies.

Collaborations

Throughout his career, Sigeru has collaborated with esteemed colleagues such as Yukio Ito and Kazuyuki Nagatsuma. These collaborations have further enriched his research and development efforts in the field of piezoelectric technology.

Conclusion

Sigeru Jyomura's contributions to piezoelectric materials and surface acoustic wave elements highlight his innovative spirit and dedication to advancing technology. His patent reflects a significant step forward in the field, showcasing the potential for improved performance in electronic applications.