This inventor holds 2 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: Kabushiki Kaisha Kawasaki Precision Machinery, Kawasaki Jukogyo Kabushiki Kaisha. Active years: 2010-2013.
Company Filing History:
1 out of 12 
1 out of 3,446 
Years Active: 2010-2013
Title: Hirobumi Shimazaki: Innovator in Hydraulic Equipment
Introduction
Hirobumi Shimazaki is a notable inventor based in Kobe, Japan. He has made significant contributions to the field of hydraulic equipment, holding a total of 2 patents. His innovative designs focus on improving the efficiency and functionality of hydraulic systems.
Latest Patents
Shimazaki's latest patents include a groundbreaking electrical signal input type displacement control device for pump equipment. This device is capable of reducing pipes on hydraulic equipment and includes two pump units with electrical regulators. Each regulator features a solenoid proportional valve that alters the supply status of driving oil. A pilot piston activates a servo switching valve based on the supply status, controlling the mechanism driving oil supplied to a servo mechanism. This innovation allows for the adjustment of pump unit capacities according to the supply status.
Another significant patent is the attachment structure of a swash plate support. This design aims to suppress the unstably fixed state of the swash plate support, facilitating easy attachment and detachment from a casing. The structure includes a displacement preventing device and a rotation preventing device, ensuring stability and preventing relative movements along the rotational axis.
Career Highlights
Throughout his career, Shimazaki has worked with prominent companies such as Kawasaki Precision Machinery and Kawasaki Jukogyo. His experience in these organizations has contributed to his expertise in hydraulic technology and innovation.
Collaborations
One of his notable coworkers is Ryosuke Kusumoto, with whom he has collaborated on various projects in the field of hydraulic equipment.
Conclusion
Hirobumi Shimazaki's contributions to hydraulic equipment through his innovative patents demonstrate his commitment to advancing technology in this field. His work continues to influence the design and functionality of hydraulic systems, showcasing the importance of innovation in engineering.