Toshiyuki Fuyutsume

Title: Toshiyuki Fuyutsume: Innovator in Acoustic Wave Device Technology

Introduction

Toshiyuki Fuyutsume is a prominent inventor based in Kanazawa, Japan. He has made significant contributions to the field of acoustic wave devices, holding a total of 9 patents. His innovative methods have advanced the manufacturing processes of these devices, ensuring high accuracy and performance.

Latest Patents

Fuyutsume's latest patents include a method for manufacturing an acoustic wave device that boasts an excellent temperature coefficient of frequency (TCF) and high precision in IDT pattern formation. This method allows for high-temperature processing of 200 degrees Celsius or more. It involves forming an IDT on a principal surface of a piezoelectric substrate and applying a thermal spray film on the opposite surface, using a material with a smaller linear thermal expansion coefficient. Another notable patent describes an acoustic wave device that effectively prevents expansion and contraction due to temperature changes, maintaining a small frequency shift. This device also utilizes a piezoelectric substrate with an IDT and a thermal spray film, ensuring stability and reliability.

Career Highlights

Throughout his career, Fuyutsume has worked with notable companies such as Murata Manufacturing Co., Ltd. and Koike Co., Ltd. His experience in these organizations has contributed to his expertise in the development of advanced acoustic wave technologies.

Collaborations

Fuyutsume has collaborated with esteemed colleagues, including Taro Nishino and Hisashi Yamazaki. Their combined efforts have furthered research and innovation in the field of acoustic wave devices.

Conclusion

Toshiyuki Fuyutsume's contributions to acoustic wave device technology have established him as a key figure in the industry. His innovative patents and collaborations reflect his commitment to advancing this field.