Masatoshi Sakurai

Title: Masatoshi Sakurai: Innovator in Construction Machinery Technology

Introduction

Masatoshi Sakurai is a notable inventor based in Abiko, Japan. He has made significant contributions to the field of construction machinery technology, holding 2 patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of his latest patents is an operational data storage device designed for hydraulic excavators. This device is programmed to store operational data, including stroke data and movement quantity data. The stroke data represent the input operations by the operator through electric operating levers, while the movement quantity data reflect the movement quantities of operating members for the front working device. The device is capable of storing operational data in a volatile storage section and generates a save and exit signal when a posture parameter exceeds a predetermined threshold. This functionality ensures that critical operational data is preserved even in changing conditions.

Another significant patent by Sakurai is an exhaust gas purification system for construction machines. This system prevents the deterioration of an aqueous urea solution remaining in the replenishing circuit after replenishment. It features a return circuit that efficiently manages excessive aqueous urea solution, ensuring optimal performance and environmental compliance. The system includes a first return conduit and a second return conduit, each with strategically set injection valve opening pressures to enhance functionality.

Career Highlights

Masatoshi Sakurai is associated with Hitachi Construction Machinery Co., Ltd., a leading company in the construction machinery industry. His work has contributed to advancements in machinery efficiency and environmental sustainability.

Collaborations

Sakurai has collaborated with notable colleagues, including Hiroshi Kanezawa and Toshiakira Takahashi. Their combined efforts have led to innovative solutions in construction technology.

Conclusion

Masatoshi Sakurai's contributions to construction machinery through his patents reflect his dedication to innovation and improvement in the industry. His work continues to influence the development of more efficient and environmentally friendly construction solutions.