Location History:
- Shimoinayoshi, JP (1990)
- Chiyoda, JP (1994)
Company Filing History:
Years Active: 1990-1994
Title: Innovations of Katsuharu Shuto
Introduction
Katsuharu Shuto is a notable inventor based in Shimoinayoshi, Japan. He has made significant contributions to the field of hydraulic systems, holding a total of 2 patents. His work focuses on enhancing the efficiency and functionality of hydraulic elevators and fluid control valves.
Latest Patents
Shuto's latest patents include a hydraulic elevator and a control method thereof. This hydraulic elevator consists of a car, a hydraulic jack to drive the car, a hydraulic pump, and control means for regulating the flow rate of fluid to and from the hydraulic jack. The control means features a main valve that allows fluid flow from the pump into the hydraulic jack when the pressure exceeds a predetermined value, facilitating the upward movement of the car. Additionally, it includes valve control means with multiple pilot valves that manage the main valve's opening and closing operations based on fluid pressure.
Another significant patent is a fluid control valve. This valve incorporates a check valve between the pump port and the first fluid chamber, allowing fluid to flow only from the pump port to the first fluid chamber. It also features a down control valve and an up control valve, which manage fluid flow between various chambers. This design aims to achieve a simple structure with high precision while reducing cavitation and noise.
Career Highlights
Katsuharu Shuto is currently employed at Hitachi, Ltd., where he continues to innovate in hydraulic technology. His work has contributed to advancements in the efficiency and reliability of hydraulic systems.
Collaborations
Shuto has collaborated with notable colleagues such as Ichiro Nakamura and Eiichi Sasaki, further enhancing the innovative capabilities within his team.
Conclusion
Katsuharu Shuto's contributions to hydraulic technology through his patents demonstrate his commitment to innovation and excellence in engineering. His work continues to influence the industry positively.