Company Filing History:
Years Active: 2016-2018
Title: Innovations of Jun Hirowatari in Advanced Steel Technology
Introduction
Jun Hirowatari is a distinguished inventor based in Tokyo, Japan. He has made significant contributions to the field of material science, particularly in the development of high-strength steel sheets. With two patents to his name, his work is influential in enhancing the shapeability and strength of galvanized steel.
Latest Patents
Hirowatari's latest patents focus on a high-strength, hot-dipped galvanized steel sheet that excels in shapeability. The innovation involves a strategic control of titanium addition, which plays a crucial role in retarding recrystallization and grain growth. This method is particularly effective during the continuous annealing process, utilized within a temperature range from 720°C to the upper limit of either 800°C or the Ac3 temperature. Additionally, through careful management of rolling and heat treatment conditions, Hirowatari can manipulate the ferrite phase rate and the grain size of lower temperature transformed phases, leading to enhanced properties in composite structure steels.
Career Highlights
As a key member of Nippon Steel & Sumitomo Metal Corporation, Hirowatari has contributed to ground-breaking advancements in steel production. His deep understanding of material properties and processing techniques has helped position his company as a leader in the steel industry.
Collaborations
Throughout his career, Jun Hirowatari has collaborated with prominent colleagues, including Kengo Takeda and Kazuhisa Kusumi. These partnerships are foundational to the development of innovative technologies and methodologies that push the boundaries of current steel manufacturing practices.
Conclusion
The work of Jun Hirowatari represents a significant advancement in the production and development of high-strength steel materials. His patents not only reflect his expertise in metallurgical science but also demonstrate his commitment to fostering innovation within the industry. As he continues to contribute to Nippon Steel & Sumitomo Metal Corporation, his impact on the future of steel technology is sure to be profound and lasting.