This inventor holds 1 USPTO granted patent. Top assignees: Jfe Steel Corporation, Toyota Jidosha Kabushiki Kaisha. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 1,973 
1 out of 38,970 
Years Active: 2026
Title: Akio Mitsui: Innovator in Ferritic Stainless Steel Technology
Introduction
Akio Mitsui is a prominent inventor based in Toyota, Japan. He is known for his significant contributions to the field of materials science, particularly in the development of ferritic stainless steel sheets for use in advanced battery technologies. His innovative work has garnered attention in the industry, showcasing his expertise and dedication to enhancing energy storage solutions.
Latest Patents
Mitsui holds a patent for a ferritic stainless steel sheet designed for current collectors in sulfide-based solid-state batteries. This invention is notable for its excellent sulfidation resistance and adhesiveness. The ferritic stainless steel sheet features a component composition that includes chromium (Cr) in an amount of 16% by mass or more. The surface of the sheet is characterized by an uneven structure with both recessed and projecting portions. The average height of the projecting portions ranges from 20 to 50 nm, while the average distance between these portions is between 20 to 200 nm. Additionally, the ratio of the atom concentration of Cr to that of iron (Fe) on the surface is 1.0 or more, indicating a significant enhancement in performance.
Career Highlights
Throughout his career, Akio Mitsui has worked with notable companies such as JFE Steel Corporation and Toyota Motor Corporation. His experience in these organizations has allowed him to develop and refine his expertise in materials engineering and innovation. His work has not only contributed to the advancement of battery technology but has also positioned him as a key figure in the field of materials science.
Collaborations
Mitsui has collaborated with esteemed colleagues, including Takayoshi Yano and Shin Ishikawa. These partnerships have facilitated the exchange of ideas and fostered innovation in their respective fields.
Conclusion
Akio Mitsui's contributions to the development of ferritic stainless steel technology highlight his role as an influential inventor in the materials science sector. His patented innovations are paving the way for advancements in energy storage solutions, demonstrating the importance of research and development in this critical area.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile