Makoto Kajiyama

Title: Makoto Kajiyama: Innovator in Pipe-Jacking Technology

Introduction

Makoto Kajiyama is a notable inventor based in Zama, Japan, recognized for his contributions to the field of pipe-jacking technology. He holds three patents that showcase his innovative approaches to improving the efficiency and effectiveness of conduit installation.

Latest Patents

Kajiyama's latest patents include a method for injecting lubricant or back-filling material into a space during the pipe-jacking process. This method involves laying a conduit comprised of double-wall pipes, which are equipped with a sheath pipe and check valve. The system utilizes a winch mounted in a tunneling machine to facilitate the movement of cleaning and injecting members through the sheath pipe. This innovative approach allows for the smooth propulsion of double-wall pipes by injecting lubricant into the space between the pipes and the ground. Additionally, his patents detail the process of supplying back-filling material to ensure that the space around the pipes is adequately filled after installation.

Career Highlights

Throughout his career, Kajiyama has worked with prominent companies such as Kabushiki Kaisha Iseki Kaihatsu Koki and Tokyo Gas Company Limited. His experience in these organizations has contributed to his expertise in the field of pipe-jacking technology and innovation.

Collaborations

Kajiyama has collaborated with notable colleagues, including Mitsutoshi Hayashi and Akitaka Fujita. Their combined efforts have further advanced the development of innovative solutions in the industry.

Conclusion

Makoto Kajiyama's work in pipe-jacking technology exemplifies the impact of innovation in engineering. His patents and career achievements highlight his commitment to improving construction methods and efficiency.