Ryuji Kuwano

Title: Ryuji Kuwano: Innovator in Seat Suspension Mechanisms

Introduction

Ryuji Kuwano is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of seat suspension mechanisms, holding a total of 12 patents. His innovative designs focus on improving vibration and impact absorption characteristics, enhancing the overall comfort and safety of vehicle seating.

Latest Patents

Kuwano's latest patents include advanced seat suspension mechanisms. One of his inventions features an improved vibration absorption characteristic and an impact absorption characteristic. This mechanism is designed with links of a first link mechanism on a base frame side and links of a second link mechanism on a seat support frame side. The intermediate frame is positioned to allow the links of the second link mechanism to operate at angles closer to vertical in relation to the vehicle's front-rear direction. This design enables the seat support frame to effectively respond to input vibrations, thereby enhancing the vibration and impact absorption in the front-rear direction.

Another patent introduces a body weight adjustment mechanism that automatically adjusts to a balanced point. This mechanism improves vibration and impact absorption characteristics by detecting the torsion angle of a lower frame-side torsion bar when the upper frame is at a balanced point. The system compares this angle with the torsion angle when a person is seated, sending a control signal to adjust the elastic force accordingly. This ensures that the upper frame is positioned correctly, improving the overall performance of the seat suspension system.

Career Highlights

Throughout his career, Ryuji Kuwano has worked with several companies, including Delta Tooling Co., Ltd. and Delta Kogyo Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative seat suspension technologies.

Collaborations

Kuwano has collaborated with notable colleagues such as Etsunori Fujita and Yumi Ogura. Their combined efforts have further advanced the field of seat suspension mechanisms, leading to the development of more effective and comfortable seating solutions.

Conclusion

Ryuji Kuwano's contributions to the field of seat suspension mechanisms demonstrate his commitment to innovation and improvement in vehicle comfort and safety. His patents reflect a deep understanding of engineering principles and a dedication to enhancing user experience.