Company Filing History:
Years Active: 2005-2008
Title: Naoki Iwama: Innovator in Lead-Free Steel Technology
Introduction
Naoki Iwama is a notable inventor based in Tokai, Japan. He has made significant contributions to the field of materials science, particularly in the development of lead-free steel for machine structural use. With a total of 3 patents, Iwama's work focuses on enhancing machinability while minimizing environmental impact.
Latest Patents
Iwama's latest patents include innovative formulations of lead-free steel that exhibit excellent machinability and low strength anisotropy. These steels do not contain lead and are designed to match or exceed the properties of conventional lead-containing free cutting steels. The specific composition of this steel includes carbon (C) ranging from 0.10 to 0.65%, silicon (Si) from 0.03 to 1.00%, manganese (Mn) from 0.30 to 2.50%, sulfur (S) from 0.03 to 0.35%, chromium (Cr) from 0.1 to 2.0%, aluminum (Al) less than 0.010%, calcium (Ca) from 0.0005 to 0.020%, magnesium (Mg) from 0.0003 to 0.020%, and oxygen (O) less than 20 ppm, with the balance being iron (Fe) and inevitable impurities.
Career Highlights
Throughout his career, Naoki Iwama has worked with prominent companies such as Sanyo Special Steel Co., Ltd. and Daido Metal Company Ltd. His experience in these organizations has allowed him to refine his expertise in steel manufacturing and innovation.
Collaborations
Iwama has collaborated with esteemed colleagues, including Susumu Owaki and Masao Uchiyama. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Naoki Iwama's contributions to lead-free steel technology highlight his commitment to innovation and environmental sustainability. His work not only advances material science but also sets a precedent for future developments in the industry.