Masatake Hirai

Title: **Masatake Hirai: A Pioneer in Lining Material Technology**

Introduction

Masatake Hirai is a notable inventor based in Katano, Japan, known for his innovative contributions to the field of motor technology. He holds a patent that focuses on a lining material designed to enhance the performance of ultrasonic wave-driven motors. His work emphasizes reducing sliding sounds at high speeds and extending the service life of motor components.

Latest Patents

Hirai's prominent patent involves a lining material and an ultrasonic wave-driven motor that utilizes this material. The invention presents a lining material that is superior in abrasion resistance and significantly minimizes noise generation at high operational speeds. The material comprises a total aromatic polyamide pulp granule and/or fiber of a meta type, exhibiting a 3 to 40% void percentage. This unique composite is strategically used on the inverted face of a rotor, thereby ensuring quieter operation and prolonged durability.

Career Highlights

Throughout his career, Hirai has worked with notable companies, including Matsushita Electric Industrial Co., Ltd. and Teijin Limited. His experience in these organizations has allowed him to refine his skills and hone his inventive capabilities in technology relevant to motors and materials.

Collaborations

Masatake Hirai has collaborated with talented individuals such as Seiji Kurozumi and Shigenori Uda. These partnerships have contributed to the advancement of innovative technologies in the fields they have explored together.

Conclusion

Masatake Hirai's contributions to the field of motor technology through his patent on advanced lining materials exemplify his innovative spirit and dedication. His work not only addresses practical concerns in high-speed operations but also enhances the structural integrity of motor components, marking significant advancements in the realm of ultrasonic wave-driven motors.