Company Filing History:
1 out of 146 
1 out of 13,411 
Years Active: 2010
Title: Noriyuki Shiwaku: Innovator in Non-Heat Treated Steel for Hot Forging
Introduction
Noriyuki Shiwaku is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of non-heat treated steel suitable for hot forging applications. His innovative approach has implications for the automotive industry, especially in the production of connecting rods for engines.
Latest Patents
Shiwaku holds a patent for a non-heat treated steel designed for hot forging, which is particularly advantageous for manufacturing connecting rods in automobile engines. The composition of this steel includes specific weight percentages of carbon, silicon, manganese, phosphorus, chromium, vanadium, aluminum, nitrogen, and iron, ensuring optimal performance during the forging process. The patent emphasizes the importance of achieving a pearlite area fraction of 50% or more after hot forging, which enhances the material's properties.
Career Highlights
Throughout his career, Noriyuki Shiwaku has worked with prominent companies such as Daido Steel Co., Ltd. and Nissan Motor Company Limited. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in automotive manufacturing.
Collaborations
Shiwaku has collaborated with notable colleagues, including Koichiro Inoue and Sadayuki Nakamura. Their combined expertise has fostered a productive environment for innovation and development in the field of materials science.
Conclusion
Noriyuki Shiwaku's contributions to the development of non-heat treated steel for hot forging represent a significant advancement in materials engineering. His work not only enhances the manufacturing processes in the automotive industry but also showcases the importance of innovation in engineering.