Company Filing History:
2 out of 1,813 
2 out of 13 
1 out of 832,812 Years Active: 2002-2007
Title: Yasuhiro Maeda: Innovator in Hydraulic Control Technologies
Introduction
Yasuhiro Maeda is a notable inventor based in Nagano-ken, Japan. He has made significant contributions to the field of hydraulic control devices, holding a total of 3 patents. His innovative designs have enhanced the functionality and efficiency of industrial vehicles.
Latest Patents
Maeda's latest patents include a hydraulic control device and an industrial vehicle equipped with this technology. The hydraulic control device features a main spool located in a bypass line that connects a pump line to a return line. This main spool adjusts the opening degree of the bypass line based on the pressure in a spring chamber and a pilot chamber. Additionally, a pilot switching valve regulates the flow rate of hydraulic oil, optimizing the performance of hydraulic actuators. Another significant patent is the hydraulic parking brake device for vehicles. This device can switch between braking and non-braking states, allowing for a gradual braking process that enhances vehicle safety.
Career Highlights
Throughout his career, Yasuhiro Maeda has worked with prominent companies such as Toyota Jidoshokki and Nishina Industrial Co., Ltd. His experience in these organizations has contributed to his expertise in hydraulic technologies and vehicle systems.
Collaborations
Maeda has collaborated with talented individuals in the industry, including Tetsuya Goto and Keinosuke Ichikawa. These partnerships have fostered innovation and development in hydraulic control systems.
Conclusion
Yasuhiro Maeda's contributions to hydraulic control technologies have made a lasting impact on the industry. His patents reflect a commitment to improving vehicle safety and efficiency through innovative design.