Masaharu Sumiyoshi

Title: Masaharu Sumiyoshi: Innovator in Torque Transmission Technology

Introduction

Masaharu Sumiyoshi is a notable inventor based in Aichi, Japan. He has made significant contributions to the field of torque transmission technology, holding a total of 5 patents. His innovative designs have impacted various automotive applications, particularly in four-wheel-drive systems.

Latest Patents

One of Sumiyoshi's latest patents is a torque transmission coupling that enhances the efficiency of rotary shafts in vehicles. This invention involves a first rotary shaft connected to a driver and a first rotary load, while a second rotary shaft is linked to a second rotary load. The hydraulic pump in this system includes a first rotor on the first rotary shaft and a second rotor on the second rotary shaft. When a difference in revolution speed occurs, the rotors slide on a surface to increase the pressure of the oil, which is then supplied to enhance performance. Additionally, he has developed a multiple-disk clutch that allows for effective torque transmission between the two rotary shafts, making it suitable for full-time four-wheel-drive vehicles.

Career Highlights

Throughout his career, Masaharu Sumiyoshi has worked with prominent companies, including Toyota Chuo Kenkyusho. His work has focused on improving vehicle performance through innovative engineering solutions. His patents reflect a deep understanding of mechanical systems and their applications in modern vehicles.

Collaborations

Sumiyoshi has collaborated with notable colleagues such as Masaaki Noguchi and Yujiro Oshima. Their combined expertise has contributed to advancements in automotive technology and engineering.

Conclusion

Masaharu Sumiyoshi's contributions to torque transmission technology exemplify his innovative spirit and dedication to engineering excellence. His patents continue to influence the automotive industry, showcasing the importance of invention in enhancing vehicle performance.