Company Filing History:
Years Active: 1978-2004
Title: **Masakuni Fujikura: Innovator of Advanced Steel Alloys**
Introduction
Masakuni Fujikura, based in Nagoya, Japan, is a notable inventor with a focus on creating advanced materials, particularly in the realm of steel alloys. With two patents to his name, his innovations contribute to significant advancements in the field of materials science and engineering.
Latest Patents
Fujikura's recent patents include groundbreaking developments in ferritic steel. His first patent details a method for producing high-strength and high-toughness ferritic steel that boasts a tensile strength of no less than 1,000 MPa and a Charpy impact value of at least 1 MJ/m². The composition of this steel includes a precise balance of elements, such as no more than 1% Si, 1.25% Mn, 8 to 30% Cr, and others, with specific limits set for Ti, Zr, Hf, V, and Nb. This innovative material features a microstructural average crystal grain size of no more than 1 µm and can be manufactured through an elaborate mechanical alloying process followed by plastic deformation.
Additionally, his patents include advancements in ferrite-austenite stainless steel castings, which offer improved erosion-corrosion resistance. These castings are composed of rigorous weight percentages of various elements, including Cr, Ni, Cu, Mo, and others, pinpointed for their effectiveness in adverse environments.
Career Highlights
Fujikura's career highlights include tenures at prominent companies such as Daido Tokushuko Kabushiki Kaisha and Hitachi, Ltd., where he applied his expertise to develop innovative steel materials that meet high performance standards and applications.
Collaborations
During his career, Fujikura has collaborated with accomplished colleagues, including Tomio Kono and Kazuto Terai. Their collective efforts have contributed to breakthroughs in materials engineering and reinforced the importance of teamwork in the advancement of technology.
Conclusion
Masakuni Fujikura stands out as a significant figure in the field of materials science, making remarkable contributions through his patented inventions. His work in developing high-strength ferritic steel and ferrite-austenite stainless steel castings exemplifies the ongoing pursuit of innovation in the metallurgy sector, promising enhanced applications for various industrial needs.