This inventor holds 3 USPTO granted patents. Top assignees: Nippon Stainless Steel Co., Ltd., Sumitomo Chemical Company, Limited. Active years: 1986-1987.
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 15 
3 out of 6,965 Years Active: 1986-1987
Title: Masaaki Nagayama: Innovator in Stainless Steel Manufacturing
Introduction
Masaaki Nagayama is a notable inventor based in Niihama, Japan. He has made significant contributions to the field of stainless steel manufacturing, holding a total of 3 patents. His work focuses on enhancing the properties and applications of ferrite-austenite stainless steel.
Latest Patents
One of his latest patents is a manufacturing process for plate or forging of ferrite-austenite two-phase stainless steel. This invention involves a specific composition of elements, including C, Si, Mn, Cr, Ni, and N, and outlines a method for achieving an average crystal grain size of 0.015 mm or below. Another significant patent is for a welding material designed for high-Si austenite stainless steel. This material ensures high corrosion resistance in hot nitric acid while maintaining toughness in the weld metal.
Career Highlights
Masaaki Nagayama has worked with prominent companies such as Nippon Stainless Steel Co., Ltd. and Sumitomo Chemical Company, Limited. His experience in these organizations has contributed to his expertise in stainless steel innovations.
Collaborations
He has collaborated with notable coworkers, including Masahiro Aoki and Kiichi Saito, further enhancing his contributions to the field.
Conclusion
Masaaki Nagayama's innovative work in stainless steel manufacturing has led to advancements that benefit various industrial applications. His patents reflect a deep understanding of material science and engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile