Location History:
- Tokyo, JP (1986)
- Saitama-ken, JP (1996)
- Ohmiya, JP (1996)
- Omiya, JP (1997)
- Yokohama, JP (1997 - 2000)
Company Filing History:
8 out of 193 
3 out of 48 
3 out of 1,256 Years Active: 1986-2000
Title: Innovator Mitsutoshi Hayashi: Pioneering Double Walled Pipe Technologies
Introduction: Mitsutoshi Hayashi, an accomplished inventor based in Yokohama, Japan, has made notable contributions to the field of engineering. With a total of 8 patents to his name, Hayashi's innovations primarily focus on enhancing the reliability and performance of piping systems.
Latest Patents: Among his most recent inventions are the double walled pipe, a jacking method, and a pipe end structure for leading pipes. The double walled pipe consists of an inner and an outer pipe, with the outer pipe being movable relative to the inner pipe in a longitudinal direction. This design allows for the outer pipe to be buried using a pipe jacking power, effectively preventing damage to the rear end of the inner pipe and minimizing internal stress. This innovative approach significantly reduces the risk of issues such as pinholes and cracks forming in the inner pipe, ultimately leading to operations with higher reliability.
Career Highlights: Mitsutoshi Hayashi has an impressive professional background, having worked with respected companies like Tokyo Gas Company Limited and Kabushiki Kaisha Iseki Kaihatsu Koki. His experiences in these organizations have played a crucial role in shaping his expertise in piping technology and engineering innovation.
Collaborations: Throughout his career, Hayashi has collaborated with notable colleagues such as Minoru Kurashina and Shingo Nagashima. These partnerships have fostered an exchange of ideas and knowledge, contributing to the successful development of his pioneering inventions.
Conclusion: Mitsutoshi Hayashi stands out as a remarkable inventor whose contributions to double walled pipe technology reflect his commitment to engineering excellence. With his innovative approaches and collaborative spirit, he continues to shape the future of piping systems, ensuring improved reliability and performance. His work is a testament to the importance of creativity and innovation in the engineering sector.