Yasushi Kojima

Title: Innovations of Yasushi Kojima

Introduction

Yasushi Kojima is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of engineering, particularly in the development of solenoid valves. With a total of 3 patents to his name, Kojima's work reflects his commitment to innovation and reliability in mechanical design.

Latest Patents

One of his latest inventions is a three-way solenoid valve. This valve is designed to reliably switch a refrigerant flow passage while ensuring a consistent refrigerant flow rate, even under conditions of large differential pressure. Remarkably, this design does not require an increase in the size of the electromagnetic coil. The valve body features a conduction hole that connects to a back pressure chamber, a third valve seat positioned between the conduction hole and a second outlet, and a third valve element that can move toward and away from the third valve seat. Additionally, a coil spring biases the third valve element toward the third valve seat, with actuating rods interposed between the first and third valve elements.

Career Highlights

Throughout his career, Yasushi Kojima has worked with prominent companies such as Fujikoki Corporation and Oji Paper Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Kojima has collaborated with talented individuals in his field, including Hiroshi Kainuma and Masashi Hayasaka. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Yasushi Kojima's contributions to the field of engineering, particularly through his innovative solenoid valve designs, highlight his expertise and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.