Daisuke Nakamura

Title: Daisuke Nakamura: Innovator in Piezoelectric Devices

Introduction

Daisuke Nakamura is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of piezoelectric devices, holding a total of 7 patents. His innovative work focuses on enhancing the efficiency and flexibility of layered structures used in these devices.

Latest Patents

Nakamura's latest patents include a layered structure and a piezoelectric device utilizing this structure. The first patent addresses the suppression of cracking in a functional layer while maintaining the flexibility of the layered structure. This structure comprises a polymer substrate with a crystalline functional layer formed on its first surface, which has a surface roughness of 3 nm or less in terms of arithmetic mean roughness (Ra). The second patent presents a piezoelectric device that boasts a high conversion efficiency between electrical energy and mechanical energy. This device features first and second electrodes with a piezoelectric layer made from a ZnO-based material that has a wurtzite crystal structure. A metal is added to ensure that the piezoelectric layer does not exhibit conductivity, achieving a squared value of the electromechanical coupling coefficient in thickness vibration mode of 6.5% or more.

Career Highlights

Daisuke Nakamura is currently employed at Nitto Denko Corporation, where he continues to develop innovative technologies in the field of piezoelectric devices. His work has garnered attention for its practical applications and advancements in energy conversion efficiency.

Collaborations

Nakamura collaborates with notable colleagues, including Naoki Nagaoka and Hironobu Machinaga, who contribute to his research and development efforts.

Conclusion

Daisuke Nakamura's contributions to the field of piezoelectric devices exemplify his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving the efficiency and functionality of these devices, making a significant impact in the industry.