Daisuke Takeda

Title: Daisuke Takeda: Innovator in Spring Manufacturing

Introduction

Daisuke Takeda is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of spring manufacturing, holding a total of 3 patents. His innovative methods have advanced the production of hollow spring members and coil springs, showcasing his expertise and creativity.

Latest Patents

One of Takeda's latest patents is a method of manufacturing a hollow spring member. This method involves creating a hollow steel spring rod with terminal sealed portions at both ends. Each terminal sealed portion features a rotationally symmetric shape, with an axis passing through the center of the spring rod serving as the axis of symmetry. The process includes forming chamfered portions on the inner or outer peripheral side of the end portion of a hollow wire, heating it, and spinning the heated end to gather it toward the axis.

Another significant patent is for a hollow coil spring and suspension device for vehicles. This method utilizes a hollow wire with a terminal sealed portion formed on an end. The hollow coil spring includes an end wall portion and an arc-shaped curved surface. The design ensures that the end face of the end turn portion is opposed to a stopper wall of the spring seat, enhancing the functionality of the spring in vehicle applications.

Career Highlights

Daisuke Takeda is currently employed at Nhk Spring Co., Ltd., where he continues to innovate in the field of spring technology. His work has been instrumental in developing advanced manufacturing techniques that improve the performance and reliability of spring components.

Collaborations

Takeda collaborates with Masahiro Umezawa, a fellow innovator in the industry. Their partnership has fostered a creative environment that encourages the development of new ideas and technologies in spring manufacturing.

Conclusion

Daisuke Takeda's contributions to the field of spring manufacturing are noteworthy. His innovative patents and collaborative efforts continue to shape the industry, making him a significant figure in the world of inventions.