Company Filing History:
2 out of 3,563 
1 out of 36,721 
1 out of 21 Years Active: 1991-2001
Title: Kenji Hirashima: Innovator in Stainless Steel Technology
Introduction
Kenji Hirashima, a distinguished inventor hailing from Hikari, Japan, has made significant contributions to the field of materials science, particularly in the development of stainless steel products. With a total of two patents to his name, Hirashima's innovations demonstrate a keen understanding of both the practical and technical aspects of metal engineering.
Latest Patents
Hirashima's latest patents include groundbreaking advancements in ultrathin stainless steel foil and heat-resistant stainless steel foil for catalyst-carrier applications.
The **Ultrathin Stainless Steel Foil** patent describes a foil with a thickness of 25 µm or less and an average inclusion content of 5 µm or greater limited to 3 per mm along the rolling direction. This innovative foil is designed to resist local tunnel-like corrosion and cracking, which can occur during the etching process.
His second patent, **Heat-Resistant Stainless Steel Foil for Catalyst-Carrier of Combustion**, specifically addresses the composition required for exhaust gas purifiers, providing enhanced durability and efficiency in high-temperature environments.
Career Highlights
Kenji Hirashima has held pivotal roles in some of the leading companies in Japan, including Nippon Steel Corporation and Toyota Motor Corporation. His work at these institutions not only illustrates his expertise in metallurgy but also his ability to apply innovative solutions to practical engineering challenges.
Collaborations
Throughout his career, Hirashima has collaborated with talented individuals, including colleagues Keiichi Ohmura and Miko Yamanaka. These partnerships have allowed for the exchange of ideas and fostered an environment conducive to innovation in the materials sector.
Conclusion
In summary, Kenji Hirashima's contributions to the field of stainless steel technology have established him as a notable inventor in the industry. His patents reflect a commitment to enhancing material performance and addressing the needs of modern applications. Through collaboration and innovation, Hirashima continues to influence the advancement of materials science, proving the significance of inventors in shaping technology.