Kenjiro Ohiwa

Title: Kenjiro Ohiwa: Innovator in Concrete Pipe Technology

Introduction

Kenjiro Ohiwa is a notable inventor based in Urawa, Japan. He has made significant contributions to the field of concrete pipe technology, particularly through his innovative designs that enhance the structural integrity of concrete pipes.

Latest Patents

Ohiwa holds a patent for a connected part of a concrete pipe. This invention relates to the connection of long concrete pipes made by joining several short concrete poles or piles that are manufactured separately. To improve the strength of the connected part against bending moments, an annular concave part is created on the outer periphery of the joined end plates. These plates are fixed to reinforcements at the ends of the concrete pipes, and a reinforcing split ring is inserted into the concave part and welded to the end plates. This innovative design addresses critical structural challenges in concrete pipe applications.

Career Highlights

Kenjiro Ohiwa is associated with Nippon Concrete Industries Co. Ltd., where he has been instrumental in advancing concrete technology. His work has not only contributed to the company's reputation but has also set new standards in the industry.

Collaborations

Throughout his career, Ohiwa has collaborated with esteemed colleagues such as Nobuyuki Abe and Ikuo Yanashima. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge solutions in concrete technology.

Conclusion

Kenjiro Ohiwa's contributions to concrete pipe technology exemplify the impact of innovative thinking in engineering. His patent for the connected part of concrete pipes showcases his commitment to enhancing structural integrity and safety in construction. Ohiwa's work continues to influence the industry and inspire future innovations.