Shigeo Doi

Title: Shigeo Doi: Innovator in Game Ball Technology

Introduction

Shigeo Doi is a prominent inventor based in Hiroshima, Japan, known for his significant contributions to the field of game ball technology. With a total of 11 patents to his name, Doi has developed innovative methods that enhance the performance and durability of game balls.

Latest Patents

Doi's latest patents include groundbreaking designs for three-dimensional panels used in game balls. One of his notable inventions is a method of manufacturing a multi-layer outer panel for a game ball. This method involves three-dimensionally forming a top layer of the outer panel, along with one or more backing materials positioned beneath it. The design corresponds closely to the ball's surface, allowing for the attachment of multi-layer outer panels around an inflatable bladder. This process minimizes overstretching of the outer material and backing, while also improving the resistance of the outer panels to delamination.

Another patent focuses on methods of forming three-dimensional panels for a game ball, reiterating the importance of the multi-layer design in enhancing the ball's overall performance and longevity.

Career Highlights

Throughout his career, Shigeo Doi has worked with notable companies such as Molten Corporation and Adidas International Marketing B.V. His experience in these organizations has allowed him to refine his skills and contribute to the advancement of sports technology.

Collaborations

Doi has collaborated with talented individuals in the industry, including Hideomi Shishido and Yoshihisa Okimura. These partnerships have fostered innovation and creativity in the development of new technologies for game balls.

Conclusion

Shigeo Doi's work in the field of game ball technology exemplifies the impact of innovative thinking on sports equipment. His patents and collaborations continue to influence the design and functionality of game balls, ensuring enhanced performance for athletes worldwide.