Location History:
- Chikugo, JP (2021)
- Fukuoka, JP (2023)
Company Filing History:
2 out of 211 
1 out of 379 
Years Active: 2021-2023
Title: Hiroshi Matsuyama: Innovator in Hydraulic Technology
Introduction
Hiroshi Matsuyama is a notable inventor based in Fukuoka, Japan. He has made significant contributions to the field of hydraulic technology, particularly in construction machinery. With a total of two patents to his name, Matsuyama's work focuses on enhancing the efficiency and functionality of hydraulic systems.
Latest Patents
Matsuyama's latest patents include a hydraulic circuit for construction machines and a control device for hydraulic machines. The hydraulic circuit patent describes a system that drives an actuator by merging pressure oil from a fixed-volume pump into a center bypass oil path from a variable-volume pump to an oil tank. This innovative design allows for controlled flow rates from the fixed-volume pump to the center bypass oil path, adapting to the actuator's requested flow rate. The control device patent addresses the challenges faced by hydraulic machines, such as revolving excavators, in low atmospheric pressure environments. It corrects control output values for electromagnetic proportional valves based on detected engine output conditions, ensuring optimal performance without generating excessive noise.
Career Highlights
Throughout his career, Matsuyama has worked with reputable companies, including Yanmar Power Technology Co., Inc. and Nabtesco Corporation. His experience in these organizations has allowed him to refine his expertise in hydraulic systems and contribute to various innovative projects.
Collaborations
Matsuyama has collaborated with talented individuals in his field, including Takayuki Shirouzu and Masahiro Itani. These partnerships have fostered a creative environment that encourages the development of cutting-edge hydraulic technologies.
Conclusion
Hiroshi Matsuyama's contributions to hydraulic technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of the complexities involved in hydraulic systems, making him a valuable figure in the industry.