Company Filing History:
2 out of 1,870 
1 out of 12 
Years Active: 2010-2012
Title: Biography of Inventor Sadahiro Ishii
Introduction: Sadahiro Ishii is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of sports equipment through his innovative designs and materials. With a total of two patents to his name, Ishii has focused on enhancing the performance and usability of sports balls.
Latest Patents: Ishii's latest patents include a sheet material that excels in cushion and nonslip properties. This invention provides a sheet material with an excellent three-dimensional feel, combined with sufficient abrasion strength, cushioning property, and non-slipping property. It is particularly advantageous as a surface material for basketballs and similar sports equipment. Another patent involves a gas filling-type ball for sports, which boasts excellent non-slip properties and sufficient mechanical strength. This ball is suitable for various sports, including basketball, American football, and rugby.
Career Highlights: Throughout his career, Ishii has worked with prominent companies such as Kuraray Co., Ltd. and Mikasa Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in sports equipment.
Collaborations: Ishii has collaborated with talented individuals in the industry, including Michinori Fujisawa and Taketoshi Saeki. These collaborations have contributed to the successful development of his patented inventions.
Conclusion: Sadahiro Ishii's work in the field of