Keishi Yamanaka

Title: The Innovative Contributions of Keishi Yamanaka

Introduction

Keishi Yamanaka is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of construction machinery and hydraulic systems. With a total of two patents to his name, Yamanaka's work reflects a commitment to enhancing the efficiency and functionality of construction equipment.

Latest Patents

Yamanaka's latest patents include a construction machine and a hydraulic apparatus. The construction machine features an attitude sensor that detects the current attitude of an upper turning body. It also includes a reference angular acceleration calculation unit that generates a torque command value based on the operation amount of an operation part. Additionally, it has a gravity compensation torque calculation unit that compensates for torque components generated by gravity, ensuring optimal performance. The hydraulic apparatus is designed to match the pressure-receiving area ratios of various cylinders to the volume drawn into or discharged from those cylinders, enhancing the efficiency of hydraulic operations.

Career Highlights

Throughout his career, Yamanaka has worked with prominent companies such as Yanmar Co., Ltd. and Yanmar Power Technology Co., Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in machinery and hydraulics.

Collaborations

Yamanaka has collaborated with talented individuals in his field, including Kazuhiro Owada and Kensuke Kaneda. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.

Conclusion

Keishi Yamanaka's contributions to the fields of construction machinery and hydraulic systems demonstrate his innovative spirit and dedication to improving technology. His patents reflect a deep understanding of engineering principles and a commitment to enhancing operational efficiency.