This inventor holds 1 USPTO granted patent. Top assignees: Kabushiki Kaisha Toyota Chuo Kenkyusho, Toyota Jidosha Kabushiki Kaisha. Active years: 2020.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 1,153 
1 out of 38,970 
Years Active: 2020
Title: Hitomi Hirai: Innovator in Austenitic Heat-Resisting Cast Steel
Introduction
Hitomi Hirai, an accomplished inventor based in Nagoya, Japan, has made significant contributions to the field of materials science. He is particularly known for his innovative work in developing austenitic heat-resisting cast steel, which showcases both exceptional heat resistance and machinability. With one patent to his name, Hirai demonstrates a deep understanding of metallurgy and engineering.
Latest Patents
Hirai's notable patent focuses on the formula and composition of austenitic heat-resisting cast steel. The material comprises various elements that contribute to its superior properties, including carbon (0.1 to 0.4 mass %), silicon (0.8 to 2.5 mass %), manganese (0.8 to 2.0 mass %), sulfur (0.05 to 0.30 mass %), and nickel (5 to 20 mass %). Furthermore, the composition allows for the inclusion of elements such as chromium (14 to 24 mass %), niobium (1.5 mass % or less), and molybdenum (3.0 mass % or less), with iron and inevitable impurities making up the remainder.
Career Highlights
Throughout his career, Hitomi Hirai has been associated with prestigious companies, including Toyota Motor Corporation and Toyota Central R&D Labs. Here, he utilized his expertise in materials to drive innovation and enhance the performance of various automotive components. His work underscores the critical role of advanced materials in engineering applications.
Collaborations
Hirai has collaborated with various colleagues, including Takamichi Ueda and Harumi Ueno, who have also contributed to advancements in their respective fields. The collaboration within this talented network highlights the importance of teamwork and knowledge-sharing in achieving technological breakthroughs.
Conclusion
As an inventor, Hitomi Hirai exemplifies the spirit of innovation within the materials science domain. His patented work on austenitic heat-resisting cast steel is a testament to his skill and vision. Hirai's contributions not only benefit the automotive industry but also pave the way for future advancements in metallurgical engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile