Kohei Doi

Title: The Innovations of Kohei Doi

Introduction

Kohei Doi is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of engineering, particularly in the development of solenoids and related technologies. With a total of 5 patents to his name, Doi's work has had a considerable impact on various applications.

Latest Patents

Doi's latest patents include innovative designs for solenoids, solenoid valves, and shock absorbers. One of his patents describes a solenoid that features a first fixed iron core and a second fixed iron core positioned at either end of a coil's axial direction. It includes a first movable iron core and a second movable iron core that are attracted by the fixed iron cores when current passes through the coil. Additionally, the design incorporates a spring housed in a spring chamber, which biases the first movable iron core towards the second fixed iron core. A leaf spring regulates the movement of the first movable iron core, while a throttle passage allows communication between the spring chamber and the outside environment.

Career Highlights

Throughout his career, Kohei Doi has worked with prominent companies such as KYB Corporation and Takako Industries, Inc. His experience in these organizations has allowed him to refine his skills and contribute to various engineering projects.

Collaborations

Doi has collaborated with talented individuals in his field, including Naoaki Danshita and Yoshifumi Kobayashi. These partnerships have fostered innovation and creativity in his work.

Conclusion

Kohei Doi's contributions to the field of engineering through his patents and collaborations highlight his role as a significant inventor. His innovative designs continue to influence the industry and inspire future advancements.