Yasumasa Hagiwara

Title: Innovations of Yasumasa Hagiwara

Introduction

Yasumasa Hagiwara is a notable inventor based in Okazaki, Japan. He has made significant contributions to the field of shock absorber technology, holding a total of three patents. His work focuses on enhancing the performance and efficiency of hydraulic systems.

Latest Patents

Hagiwara's latest patents include a hydraulically operated displacement transmission mechanism for shock absorbers. This innovative design features a variable-damping-force shock absorber that utilizes a piezoelectric actuator to produce displacement. The hydraulic pressure chamber, filled with working oil, adjusts its volume in response to the actuator's displacement. This mechanism ensures that any leakage of working oil is automatically compensated by a supply passage, maintaining equilibrium. Another significant patent is a damping force detecting apparatus that measures the damping force of variable damping force type shock absorbers. This apparatus employs a piezoelectric element assembly that generates a charge corresponding to the pressure applied, allowing for precise control of the shock absorber's performance.

Career Highlights

Throughout his career, Yasumasa Hagiwara has worked with prominent companies such as Nippondenso Co., Ltd. and Nippon Soken, Inc. His experience in these organizations has contributed to his expertise in hydraulic systems and shock absorber technology.

Collaborations

Hagiwara has collaborated with notable colleagues, including Toshinobu Ishida and Yutaka Suzuki. Their combined efforts have led to advancements in the field of shock absorber technology.

Conclusion

Yasumasa Hagiwara's innovative contributions to shock absorber technology have significantly impacted the industry. His patents reflect a deep understanding of hydraulic systems and a commitment to improving performance and efficiency.