Hiroki Takechi

Title: Innovator Hiroki Takechi: Pioneering Advances in V-Ribbed Belt Technology

Introduction

Hiroki Takechi, a prominent inventor based in Hyogo, Japan, is a recognized figure in the field of rubber and belt innovation. With a portfolio of seven patents, Takechi's work primarily focuses on the development and enhancement of V-ribbed belts, showcasing his commitment to improving industrial applications.

Latest Patents

Among his latest innovations, Takechi has developed two notable patents related to V-ribbed belts. The first patent describes a V-ribbed belt featuring core wires and a stretch rubber layer made from a vulcanizate of a rubber composition. This composition includes a rubber ingredient and short fibers, where the concentration of short fibers ranges from 15 to 50 parts by mass per 100 parts by mass of the rubber ingredient. The formulation ensures that the rubber composition has a minimum Mooney scorch viscosity of 70-130, measured at 125°C.

His second highlighted patent presents a V-ribbed belt whose friction transmission surface is encased in a knit fabric. The compression rubber layer comprises the cured product of a rubber composition containing an ethylene-α-olefin elastomer and carbon black. In this formulation, the carbon black features both soft carbon with a primary particle diameter of at least 40 nm and hard carbon with a particle size of less than 40 nm. The ideal ratio of soft to hard carbon is carefully maintained between 3:97 and 25:75.

Career Highlights

Takechi serves as a key innovator at Mitsuboshi Belting Ltd., where his contributions to V-ribbed belt technologies have significantly advanced the company's product offerings. His expertise and dedication have allowed Mitsuboshi Belting to maintain its reputation as a leader in belt manufacturing.

Collaborations

Throughout his career, Takechi has collaborated with notable colleagues, including Manabu Mitsutomi and Yorifumi Hineno. Their teamwork has fostered an environment of creativity and innovation, resulting in the development of cutting-edge products in the automotive and industrial sectors.

Conclusion

Hiroki Takechi continues to make strides in the field of rubber technology through his inventive spirit and collaborative efforts. With his impressive patent portfolio, he remains a vital contributor to the advancements in V-ribbed belt applications, solidifying his role as an influential figure in modern engineering.