Company Filing History:
Years Active: 2025
Title: Yuko Kujirai: Innovator in Tennis Ball Adhesives
Introduction
Yuko Kujirai is a prominent inventor based in Kobe, Japan. She has made significant contributions to the field of sports equipment, particularly in the development of adhesives for tennis balls. With a total of two patents to her name, Kujirai's work showcases her innovative spirit and dedication to enhancing athletic performance.
Latest Patents
Kujirai's latest patents focus on an adhesive specifically designed for tennis balls. The first patent describes an adhesive that includes base rubber and a filler. The base rubber is primarily composed of liquid rubber with a number average molecular weight of not less than 10,000. The filler has an average nitrogen specific surface area of not less than 40 m/g. This adhesive is crucial for adhering the two hemispherical half cores of a tennis ball, which are made of a rubber material. The second patent also details an adhesive for a tennis ball, emphasizing that the base rubber contains liquid rubber with a similar molecular weight. This adhesive has a shear viscosity of not greater than 2,000 Pa·s, ensuring optimal performance in the construction of tennis balls.
Career Highlights
Yuko Kujirai is currently employed at Sumitomo Rubber Industries Limited, where she continues to innovate in the field of sports equipment. Her work has not only contributed to the company's product offerings but has also set new standards in the industry.
Collaborations
Kujirai collaborates with talented colleagues, including Takehiko Hyodo and Kazuyoshi Shiga. These partnerships enhance her research and development efforts, leading to groundbreaking advancements in adhesive technology.
Conclusion
Yuko Kujirai's contributions to the field of tennis ball adhesives exemplify her innovative approach and commitment to excellence. Her patents reflect a deep understanding of materials science and a passion for improving sports equipment. Through her work at Sumitomo Rubber Industries Limited, she continues to make a lasting impact on the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.