Hironobu Machinaga

Title: **Innovative Contributions of Hironobu Machinaga in Piezoelectric Technology**

Introduction

Hironobu Machinaga, based in Ibaraki, Japan, is a distinguished inventor known for his significant contributions to the field of piezoelectric technology. With an impressive portfolio of 26 patents, Machinaga has made notable advancements that enhance the efficiency and functionality of various devices.

Latest Patents

Among his latest innovations, one particularly stands out: a piezoelectric device and its method of manufacturing. This device is designed to improve optical and piezoelectric characteristics. It features a composite structure with a first electrode layer, a second electrode layer, and a piezoelectric layer composed primarily of wurtzite crystal material, enhanced with one or more transparent oxide-forming elements. This device achieves a haze value of 3% or less, combined with a transmittance rate of 50% or more for light wavelengths of 380 nm. Additionally, he has developed an impedance matching film designed for radio wave absorbers, which incorporates both metallic and non-metallic elements. The film, having a thickness between 10 to 200 nm and a sheet resistance of 200 Ω/□ or greater, also maintains an oxygen atom content of less than 50% by atom count.

Career Highlights

Machinaga works with Nitto Denko Corporation, a renowned leader in innovative materials and technologies. His career is marked by a continuous pursuit of enhancing technological applications in various sectors. His work reflects a commitment to pushing the boundaries of piezoelectric applications, which is vital in industries such as electronics and telecommunications.

Collaborations

Throughout his career, Machinaga has collaborated with esteemed colleagues including Kazuto Yamagata and Takehiro Ui. These partnerships have facilitated a rich exchange of ideas and fostered an environment of innovation that contributes to the advancement of their shared technological goals.

Conclusion

Hironobu Machinaga exemplifies the spirit of innovation in the field of piezoelectric technology. His latest patents underscore his dedication to improving device performance and functionality. As he continues to work at Nitto Denko Corporation, his contributions will undoubtedly inspire further advancements in this critical area of research and development.