Yasunobu Hayashi

Title: Yasunobu Hayashi: Innovator in Acoustic and Elastic Wave Devices

Introduction

Yasunobu Hayashi is a notable inventor based in Nagaokakyo, Japan. He has made significant contributions to the field of acoustic and elastic wave devices, holding a total of 4 patents. His innovative work has implications in various technological applications.

Latest Patents

Hayashi's latest patents include an acoustic wave device and an elastic wave device. The acoustic wave device features a piezoelectric layer and an interdigital transducer that primarily consists of aluminum, with an additive selected from a group including neodymium, scandium, and tantalum. Notably, the concentration of the additive in the region opposite to the piezoelectric-layer-side region of the interdigital transducer is higher than that in the piezoelectric-layer-side region. The elastic wave device comprises a spacer layer positioned above a support substrate and outside a piezoelectric film. A cover layer is placed on the spacer layer, and a through electrode extends through both the spacer layer and the cover layer, connecting electrically to the wiring electrode.

Career Highlights

Throughout his career, Yasunobu Hayashi has worked with Murata Manufacturing Co., Ltd., a leading company in the electronics industry. His work at Murata has allowed him to develop and refine his inventions, contributing to advancements in wave device technology.

Collaborations

Hayashi has collaborated with notable coworkers such as Takashi Yamane and Nobuhiro Ishida. Their combined expertise has fostered innovation and development in their respective fields.

Conclusion

Yasunobu Hayashi's contributions to acoustic and elastic wave devices highlight his role as a significant inventor in the technology sector. His patents reflect a commitment to advancing the field, and his collaborations further enhance the impact of his work.