Hiroaki Tokairin

Title: Hiroaki Tokairin: Innovator in Hydraulic Control Systems

Introduction

Hiroaki Tokairin is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of hydraulic systems and positioning apparatuses. With a total of 2 patents to his name, Tokairin's work showcases his expertise and innovative spirit.

Latest Patents

One of Tokairin's latest patents is a "Control system for hydraulic circuit." This invention features an on-off valve interposed between the control valve and the actuator, allowing for the regulation of hydraulic fluid flow. The system includes pressure sensors that detect pressures in hydraulic lines, enabling a control unit to perform pressure matching control by calculating values that reduce thrust differences applied to the actuator.

Another significant patent is the "Device for compensating for deflection in a pliable positioning apparatus." This invention involves a working structure with a support and an arm assembly that includes multiple pivotally connected arm members. The apparatus is equipped with angle and load sensors, as well as a control unit that calculates deflections and adjusts the pivoting angles of the arm members to correct any errors caused by deflection.

Career Highlights

Hiroaki Tokairin is currently employed at Hitachi Construction Machinery Co., Ltd. His work at this esteemed company has allowed him to develop and refine his innovative ideas in hydraulic systems and positioning technologies.

Collaborations

Throughout his career, Tokairin has collaborated with notable colleagues, including Kichio Nakajima and Kazuo Honma. These collaborations have contributed to the advancement of technology in their respective fields.

Conclusion

Hiroaki Tokairin's contributions to hydraulic control systems and positioning apparatuses highlight his innovative capabilities as an inventor. His patents reflect a commitment to improving technology and enhancing operational efficiency in various applications.