Company Filing History:
Years Active: 2002-2004
Title: **Innovative Contributions of Ikuko Umezawa in Footwear Technology**
Introduction
Ikuko Umezawa, an inventive mind based in Hyogo, Japan, has made significant strides in the field of footwear technology. With a total of two patents to her name, Umezawa exemplifies innovation through her dedication to enhancing the performance and comfort of shoes.
Latest Patents
Umezawa's latest patents showcase her innovative approach to shoe design. One notable patent focuses on a shoe outsole that features a body, a spike, a first projected portion, and a second projected portion. The spike comprises a disk-like portion and a pin, both crafted from a rubber-molded material. Notably, this rubber-based composition contains at least 30 wt % of polybutadiene or acrylonitrile-butadiene copolymer as a crucial rubber component. Furthermore, the JIS-C hardness of this material is meticulously set within a range of 35 to 95, and its cutting-time elongation is designed to achieve 280% or more. Additionally, Umezawa has developed an outsole of shoes utilizing base rubber that includes 70-100 wt % of styrene-butadiene rubber, specifically formulated to meet stringent temperature specifications.
Career Highlights
Umezawa is an eager contributor at Sumitomo Rubber Industries Limited, where she continues to innovate and inspire. Her work not only enhances footwear but also sets a benchmark for durability and performance in the industry.
Collaborations
Umezawa collaborates closely with her coworker, Akihiro Nakahara, to push the boundaries of footwear design further. Together, they contribute their combined expertise to develop pioneering solutions that meet the needs of modern consumers.
Conclusion
Ikuko Umezawa's contributions to footwear technology are representative of her innovative spirit and commitment to excellence. With her patents paving the way for advancements in shoe design, her work embodies the future of comfortable and high-performance footwear.