Kenji Hirata

Title: Kenji Hirata: Innovator in Piezoelectric Technology

Introduction: Kenji Hirata is a prominent inventor based in Tosu, Japan, recognized for his contributions to the field of piezoelectric materials and devices. With two patents to his name, his innovative work has significantly advanced the performance of materials utilized in various applications.

Latest Patents: Kenji Hirata's latest patents include a "Nitride piezoelectric body and MEMS device using same." The goal of this invention is to provide a piezoelectric body that offers a higher performance index (d, e, C, g, and/or k) compared to aluminum nitride that is not doped with any element. This piezoelectric body is described by the chemical formula AlMgMN, where X + Y is less than 1, with both X and Y values ranging between more than 0 and less than 1.

Another significant patent from Hirata is titled "Piezoelectric body and MEMS device using same." This invention presents a piezoelectric body of ytterbium-doped aluminum nitride, characterized by a piezoelectric coefficient that exceeds that of non-doped alternatives. The formula for this specialized body is AlYbN, where the value of x is between more than 0 and less than 0.37, and it has a lattice constant ratio c/a ranging from 1.53 to less than 1.6. Such configurations enable the piezoelectric body to achieve enhanced performance.

Career Highlights: Kenji Hirata is affiliated with the National Institute of Advanced Industrial Science and Technology, an institution renowned for its cutting-edge research and innovation in industrial science. His work continues to shape the landscape of piezoelectric technologies, which are pivotal for various electronic devices.

Collaborations: Throughout his career, Kenji has collaborated with esteemed colleagues, including Masato Uehara and Hiroshi Yamada. These collaborations have fueled advancements in their shared research interests, resulting in significant contributions to the field of materials science.

Conclusion: Kenji Hirata's inventive spirit and dedication to enhancing piezoelectric materials underline his important role in technological advancements. His work not only exemplifies innovation but also promises to influence the development of future electronic devices reliant on high-performance materials.