This inventor holds 2 USPTO granted patents. Top assignee: Nippon Steel Corporation. Active years: 1990-2012.
Location History:
- Kitakyushu, JP (1990)
- Tokai, JP (2012)
Company Filing History:
Years Active: 1990-2012
Title: Hirohide Muraoka: Innovator in High Toughness Steel
Introduction
Hirohide Muraoka is a notable inventor based in Tokai, Japan. He has made significant contributions to the field of materials science, particularly in the development of high toughness abrasion resistant steel. With a total of 2 patents, Muraoka's work has implications for various industrial applications.
Latest Patents
Muraoka's latest patents include a high toughness abrasion resistant steel that maintains its hardness during use. This steel has a hardness range of HB400 to HB520 and is characterized by its superior toughness. The composition includes specific percentages of carbon, silicon, manganese, phosphorus, sulfur, chromium, molybdenum, boron, aluminum, and nitrogen, along with optional elements like vanadium, niobium, titanium, calcium, magnesium, and rare earth metals. Additionally, he has developed a process for producing high toughness, high strength steel that is free of anisotropy and resistant to stress corrosion cracking in seawater conditions.
Career Highlights
Muraoka is associated with Nippon Steel Corporation, a leading company in the steel industry. His work has been instrumental in advancing the properties of steel, making it more durable and effective for various applications.
Collaborations
Muraoka has collaborated with notable colleagues such as Naoki Saitoh and Seinosuke Yano. Their combined expertise has contributed to the innovative developments in steel technology.
Conclusion
Hirohide Muraoka's contributions to the field of materials science, particularly in high toughness steel, highlight his role as a significant inventor. His patents reflect a commitment to innovation and improvement in industrial materials.