Suguru Sugawara

Title: Innovator Suguru Sugawara: Advancements in Bearing Technology

Introduction

Suguru Sugawara is a prominent inventor based in Fujisawa, Japan, known for his significant contributions to bearing technology. With three patents to his name, Sugawara has been instrumental in developing innovative methods and compositions that enhance the performance of rolling bearings in various applications.

Latest Patents

Sugawara's latest patents reflect his expertise in detection methods and lubricant compositions. One of his innovative patents includes a detection method for identifying the state of a bearing device, which comprises an outer member, an inner member, and numerous rolling elements. This method involves applying an alternating current voltage to an electric circuit that consists of the bearing components while a specific load is applied. By measuring the impedance and phase angle within the circuit, Sugawara’s method effectively derives both oil film thickness and the metal contact ratio between the inner member and rolling elements.

Another noteworthy patent focuses on a lubricant composition designed for rolling bearings. This composition contains a fatty acid metal salt, a metal dithiocarbamate, a phosphorous-type additive, and a basic additive, ensuring a total acid value of 3.7 mgKOH/g or higher. The development of this lubricant aims to enhance anti-fretting performance, mitigating the decline in fretting resistance, even in scenarios where fluorine-type grease interacts with urea-type grease.

Career Highlights

Sugawara is associated with NSK Corporation, a leading company in the bearing industry. His role within the company has facilitated the advancement of bearing technologies, establishing him as a crucial player in developing solutions that drive efficiency and reliability in mechanical systems.

Collaborations

Throughout his innovative journey, Sugawara has worked alongside talented colleagues, including Taisuke Maruyama and Masayuki Maeda. Their collaborations have fostered an environment of creativity and problem-solving, leading to the development of groundbreaking technologies in bearing systems.

Conclusion

Suguru Sugawara’s contributions to bearing technology underscore the importance of innovation in engineering. With a focus on enhancing detection methods and lubricant formulations, Sugawara continues to pave the way for advancements that promise improved durability and functionality in various industrial applications. His work reflects a commitment to excellence and a dedication to pushing the boundaries of what is possible in the field of bearings.