This inventor holds 4 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Showa Denko Materials Co., Ltd., Nissan Motor Company Limited, Resonac Corporation. Active years: 2021-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 139 
2 out of 13,420 
1 out of 408 
Years Active: 2021-2025
Title: Masamichi Mitsumoto: Innovator in Friction Material Technology
Introduction
Masamichi Mitsumoto is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of friction materials, holding a total of 4 patents. His work focuses on developing environmentally friendly friction materials that maintain high performance under extreme conditions.
Latest Patents
Mitsumoto's latest patents include innovative compositions for friction materials. One of his notable inventions is a friction material composition designed to provide a high friction coefficient during high-speed and high-temperature braking. This composition is unique as it can achieve excellent abrasion resistance without the inclusion of harmful elements such as antimony or copper. Specifically, the composition consists of a bonding material, organic and inorganic fillers, and a fiber substrate, ensuring minimal environmental impact while maintaining performance.
Another significant patent involves a friction material composition that contains no copper or limits its content to less than 0.5% by mass. This composition also includes a specific ratio of α-alumina and γ-alumina, along with a silicone-containing phenolic resin and other components that enhance its performance and durability.
Career Highlights
Throughout his career, Masamichi Mitsumoto has worked with notable companies such as Showa Denko Materials Co., Ltd. and Nissan Motor Company Limited. His experience in these organizations has allowed him to refine his expertise in friction materials and contribute to advancements in automotive technology.
Collaborations
Mitsumoto has collaborated with esteemed colleagues, including Yoshio Ogata and Mitsushi Oyanagi. These partnerships have fostered innovation and the development of cutting-edge friction material technologies.
Conclusion
Masamichi Mitsumoto's contributions to the field of friction materials highlight his commitment to innovation and environmental sustainability. His patents reflect a deep understanding of material science and a dedication to improving performance in high-stress applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile