Location History:
- Utsunomiya, JP (2015)
- Saitama, JP (2016 - 2017)
Company Filing History:
3 out of 21,875 
2 out of 1,101 
1 out of 146 
Years Active: 2015-2017
Title: Akihito Ninomiya: Innovator in Steel Technology
Introduction
Akihito Ninomiya is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of steel technology, particularly in the development of carburized parts. With a total of three patents to his name, Ninomiya's work focuses on enhancing the performance and durability of steel components.
Latest Patents
Ninomiya's latest patents include innovations such as a carburized part and a method for manufacturing thereof. His invention provides a carburized part that exhibits excellent medium-cycle fatigue strength, especially when subjected to surface-hardening treatment through carburization. The carburized part consists of a carburized layer formed by performing carburizing treatment on a specific steel composition. This steel includes, by mass percentage, 0.15% to 0.25% of carbon, 0.15% or less of silicon, 0.4% to 1.1% of manganese, 0.8% to 1.4% of chromium, 0.25% to 0.55% of molybdenum, and minimal amounts of phosphorus and sulfur. Additionally, he has developed a method for producing a steel component that involves sequential treatments to a steel material with precise elemental compositions.
Career Highlights
Throughout his career, Ninomiya has worked with prominent companies such as Honda Motor Co., Ltd. and Nippon Steel & Sumitomo Metal Corporation. His experience in these organizations has allowed him to refine his expertise in steel manufacturing and innovation.
Collaborations
Ninomiya has collaborated with notable colleagues, including Yoshinari Okada and Masayuki Horimoto. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Akihito Ninomiya stands out as an influential inventor in the field of steel technology. His innovative patents and collaborations reflect his commitment to enhancing the performance of steel components. His contributions continue to impact the industry positively.