Company Filing History:
2 out of 3,333 
1 out of 150 
Years Active: 1991-1994
Title: Hironori Sasaki: Innovator in Seismic Control and Hydraulic Systems
Introduction
Hironori Sasaki is a notable inventor based in Kobe, Japan. He has made significant contributions to the fields of seismic response control and hydraulic systems. With a total of 2 patents, his work focuses on enhancing the safety and efficiency of structures during seismic events.
Latest Patents
Sasaki's latest patents include a variable damping device for seismic response controlled structures. This hydraulic device is designed to control vibrations and evaluate the damping properties of structures during seismic disturbances. The control mechanism features a command value judging circuit that compares the differential pressure value between hydraulic chambers with a generated damping force command value. This innovative approach allows for precise control of the flow regulating valve based on the feedback from the pressure valve.
Another significant patent is the elevator valve apparatus, which controls the hydraulic supply flow to actuators. This apparatus includes solenoid proportional control valves for both ascending and descending movements. The valve control unit manages these valves with predetermined acceleration and deceleration characteristics, ensuring smooth operation. Additionally, it incorporates various compensating controls to enhance performance during low-speed ascents.
Career Highlights
Throughout his career, Hironori Sasaki has worked with prominent companies such as Kawasaki Heavy Industries and Kajima Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in hydraulic systems and seismic control technologies.
Collaborations
Sasaki has collaborated with notable colleagues, including Takuji Kobori and Yoshinori Matsunaga. Their combined expertise has contributed to advancements in their respective fields.
Conclusion
Hironori Sasaki's contributions to seismic response control and hydraulic systems demonstrate his commitment to innovation and safety. His patents reflect a deep understanding of engineering principles and a dedication to improving structural resilience.