Location History:
- Kodaira, JP (1988 - 2009)
- Kawasaki, JP (2008 - 2009)
Company Filing History:
Years Active: 1988-2009
Title: Innovations by Sumito Nakagawa in Motorcycle Tire Technology
Introduction
Sumito Nakagawa is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of motorcycle tire technology, holding a total of 4 patents. His work focuses on enhancing the durability and performance of motorcycle tires, which are crucial for safety and efficiency.
Latest Patents
One of his latest patents is for a motorcycle radial tire with a specified steel belt cord. This innovation improves durability by using a carcass ply cord or a belt cord made from a cord formed by twisting multiple steel filaments. These filaments have a tensile strength of not less than 2700 N/mm and a total elongation at break of the cord between 3.0-7.0%, all while maintaining excellent ride comfort. Another significant patent involves a method of producing motorcycle tires that exhibit excellent belt cord durability, high-speed durability, impact force absorbability, running stability, and uniformity. This is achieved by constituting a belt with a low-cost steel cord member that has a specific twisting construction of 2 to 7 filaments and a defined space between the filaments over the full length of the cord.
Career Highlights
Sumito Nakagawa is currently employed at Bridgestone Corporation, a leading company in tire manufacturing. His work at Bridgestone has allowed him to apply his innovative ideas in a practical setting, contributing to the advancement of tire technology.
Collaborations
Throughout his career, Nakagawa has collaborated with talented individuals such as Takao Morii and Naohiko Obana. These collaborations have fostered an environment of innovation and creativity, leading to the development of groundbreaking tire technologies.
Conclusion
Sumito Nakagawa's contributions to motorcycle tire technology exemplify the importance of innovation in enhancing safety and performance. His patents reflect a commitment to improving the riding experience for motorcyclists around the world.