Location History:
- Aichi-ken, JP (2007)
- Aichi-gun, JP (2008)
Company Filing History:
Years Active: 2007-2008
Title: Kunio Naito: Innovator in Lead-Free Steel Technology
Introduction
Kunio Naito is a prominent inventor based in Aichi-gun, Japan, known for his contributions to the field of materials science, particularly in the development of lead-free steel. With a total of two patents to his name, Naito has made significant strides in creating materials that enhance machinability while minimizing environmental impact.
Latest Patents
Naito's latest patents focus on lead-free steel for machine structural use, which boasts excellent machinability and low strength anisotropy. This innovative steel does not contain lead and is designed to match or exceed the properties of conventional lead-containing free cutting steel. The 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 and inevitable impurities.
Career Highlights
Naito is currently employed at Sanyo Special Steel Co., Ltd., where he continues to innovate in the field of steel manufacturing. His work has been instrumental in advancing the capabilities of lead-free materials, which are increasingly important in various industrial applications.
Collaborations
Naito has collaborated with notable colleagues such as Naoki Iwama and Susumu Owaki, contributing to a dynamic team focused on pushing the boundaries of material science.
Conclusion
Kunio Naito's work in developing lead-free steel represents a significant advancement in materials technology, showcasing his commitment to innovation and sustainability. His contributions are paving the way for more environmentally friendly manufacturing processes.