Noritoshi Nakagawa

Title: Noritoshi Nakagawa: Innovator in Viscoelastic Measurement and Golf Ball Design

Introduction

Noritoshi Nakagawa is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the fields of viscoelastic measurement and golf ball design. With a total of 2 patents, his work showcases innovative approaches to material testing and sports equipment.

Latest Patents

One of Nakagawa's latest patents is a viscoelastic characteristic value-measuring apparatus and method. This apparatus utilizes a split Hopkinson's bar, which includes an impact bar, input bar, and output bar. The input bar is equipped with a first and second strain gauge, while the output bar contains a third and fourth strain gauge. Both bars are constructed from viscoelastic material, with a specimen placed between them. The lengths of the output and input bars are specified to be within the ranges of 500 mm to 2500 mm and 1500 mm to 2500 mm, respectively. Another patent involves a golf ball design, which consists of a core and a cover. The core is made from cross-linked rubber, with specific Young's modulus and loss factor measurements when tested using a split Hopkinson's bar tester.

Career Highlights

Throughout his career, Nakagawa has worked with various companies, including Sri Sports Limited. His expertise in material science and engineering has allowed him to develop innovative products that enhance performance in sports and testing applications.

Collaborations

Nakagawa has collaborated with notable individuals in his field, including Kiyoto Maruoka and Jun Nishibayashi. These partnerships have contributed to the advancement of his research and inventions.

Conclusion

Noritoshi Nakagawa's contributions to the fields of viscoelastic measurement and golf ball design highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving both scientific measurement techniques and sports equipment performance.