Company Filing History:
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1 out of 3,557 
1 out of 1,256 Years Active: 1989
Title: Ko Moriyama: Innovator in High Toughness Steel
Introduction
Ko Moriyama is a distinguished inventor based in Sagamihara, Japan. He is known for his significant contributions to the field of materials science, particularly in the development of high toughness, ultra-high strength steel. His innovative work has led to advancements that enhance the performance and durability of steel products.
Latest Patents
Moriyama holds a patent for a high toughness, ultra-high strength steel that exhibits excellent stress corrosion cracking resistance. This steel has a yield stress of not less than 110 kgf/mm² and comprises specific percentages of various elements, including 0.06-0.20 wt % of carbon, not more than 0.35 wt % of silicon, and 8-11 wt % of nickel, among others. This innovative composition ensures the steel's superior performance in demanding applications.
Career Highlights
Throughout his career, Ko Moriyama has worked with notable organizations, including Japan as represented by the Director General of Technical Research and Nippon Steel Corporation. His expertise in materials science has made him a valuable asset in the development of advanced steel products.
Collaborations
Moriyama has collaborated with esteemed colleagues such as Yasuho Imai and Yoichiro Tobe. These partnerships have contributed to the advancement of research and innovation in the field of high-strength materials.
Conclusion
Ko Moriyama's contributions to the development of high toughness steel have had a lasting impact on the materials science industry. His innovative patent and collaborations with other experts highlight his commitment to advancing technology in this field.