Company Filing History:
11 out of 622 
1 out of 1,868 
Years Active: 2000-2025
Title: Toshihiro Shigematsu: Innovator in Lithium Ion Battery Technology
Introduction
Toshihiro Shigematsu, an esteemed inventor based in Tokyo, Japan, has made significant contributions to the field of energy storage technology. With a remarkable portfolio of ten patents, his work primarily focuses on innovations related to lithium ion batteries and their components.
Latest Patents
Shigematsu's latest patents include groundbreaking advancements in substrates and separators for lithium ion batteries. One of his inventions is a substrate for lithium ion battery separators designed to ensure high adhesion to an inorganic particle layer. This substrate maintains a thin profile while exhibiting excellent tensile strength and cuttability. It utilizes heat-resistant fibers and synthetic resin short fibers, with a precise composition that includes fibrillated heat-resistant fibers having a modified freeness of not more than 300 ml, contributing to its enhanced performance.
Another notable patent involves a lithium ion battery separator that achieves a thin structure while providing exceptional tensile strength and low internal resistance. This separator is crucial in minimizing the incidence of internal short circuit failures while showcasing high cycle characteristics. The formulation once again features heat-resistant fibers and synthetic resin short fibers, ensuring both durability and efficiency.
Career Highlights
Throughout his career, Toshihiro Shigematsu has worked with prestigious companies, including Mitsubishi Paper Mills Limited and Kuraray Co., Ltd. He has dedicated his efforts to developing materials that significantly improve the functionality and reliability of lithium ion batteries, paving the way for advancements in various electronics and electric vehicles.
Collaborations
In addition to his esteemed career, Shigematsu has collaborated with talented professionals, including Kenji Hyodo and Tomohiro Sato, contributing to a rich exchange of ideas and expertise within the field. Their combined efforts have led to innovative solutions that have influenced the broader landscape of battery technology.
Conclusion
As an inventor, Toshihiro Shigematsu exemplifies the spirit of innovation through his dedication to enhancing lithium ion battery technology. His patents reflect a commitment to developing efficient and reliable products that are imperative in today's technology-driven world. His impact will undoubtedly continue to shape the future of energy storage solutions.