Toshimi Kumazaki

Title: Innovations of Toshimi Kumazaki: A Pioneer in Power Transmission Technology

Introduction

Toshimi Kumazaki, an accomplished inventor based in Kobe, Japan, has made significant contributions to the field of power transmission technology. With a remarkable portfolio of nine patents, Kumazaki's innovations focus on advancing the efficiency and reliability of power transmission belts, which are critical components in various mechanical systems.

Latest Patents

Among his latest patents, Kumazaki has developed a v-ribbed power transmission belt that showcases an intricate design featuring a body with specific length, inside and outside surfaces, as well as laterally spaced sides. This innovative belt includes a compression section, a tension section, and a load-carrying element crafted from twisted polyester fiber filaments. Notably, the unique properties of the load-carrying element, which incorporates an ethylene-2,6-naphthalate component with a denier range of 4,000-8,000, make it robust and efficient under stress. Furthermore, the belt exhibits a stress threshold of at least 500 N per rib, ensuring minimal elongation and significant durability even in high-temperature environments, with a dry heat shrinkage stress between 100 N and 200 N.

Another patented invention is a power transmission belt and system that includes a body with discrete fibers embedded, extending laterally at an angle between 42 and 50 degrees. This innovative design enhances the performance and reliability of the power transmission system, further solidifying Kumazaki's expertise in the industry.

Career Highlights

Kumazaki's professional journey includes positions at Mitsuboshi Belting Ltd. and Mitsubishi Belting Ltd., where he leveraged his skills to design and innovate power transmission solutions. His dedication and technical aptitude have contributed to the advancement of technologies that are widely utilized in various industrial applications.

Collaborations

Throughout his career, Kumazaki has collaborated with notable colleagues such as Kyoichi Mishima and Masahiko Kawashima. These partnerships have enabled the exchange of ideas and fostered innovation, allowing for the development of cutting-edge solutions within the power transmission field.

Conclusion

Toshimi Kumazaki's contributions to power transmission technology through his nine patents illustrate his commitment to innovation and excellence. As he continues his work, Kumazaki remains a significant figure in the engineering community, driving advancements that enhance the efficiency and effectiveness of mechanical systems. His inventions not only demonstrate his technical ingenuity but also lay the groundwork for future developments in the industry.