Location History:
- Kimitsu, JP (2020)
- Tokyo, JP (2017 - 2023)
Company Filing History:
13 out of 3,557 
5 out of 1,101 Years Active: 2017-2025
Title: Seiji Furusako: Innovator in Steel Technology
Introduction: Seiji Furusako, based in Tokyo, Japan, is a prominent inventor renowned for his significant contributions to the field of steel technology. With a total of 18 patents to his name, Furusako has focused on innovations that enhance the performance and manufacturing processes of steel materials.
Latest Patents: Among his latest inventions, Seiji Furusako has developed a process for producing a steel sheet characterized by a specific chemical composition and structure. This unique steel sheet contains (Fe, Mn)B precipitates with a circle equivalent diameter of 50 to 300 nm, found in a number density of 1/500 μm or more within a surface layer region down to 100 μm in depth. His patented method involves continuously casting molten steel followed by a series of treatments, including hot rolling at precise temperatures and controlled cold rolling to achieve optimal results. Furthermore, Furusako has innovated a method for spot welding that effectively reduces hydrogen penetration, which is a primary cause of delayed fracture during the welding process. This method includes pre-working the contact part of the steel sheets to form multiple lines, ensuring enhanced welding quality.
Career Highlights: Seiji Furusako's career has been marked by a dedication to advancing steel production techniques. He has held positions in prestigious firms, including Nippon Steel Corporation and Nippon Steel & Sumitomo Metal Corporation. His expertise and innovative mindset have inspired many in the field, solidifying his reputation as a leading inventor in steel technology.
Collaborations: Throughout his career, Furusako has collaborated with esteemed colleagues, including Yasunobu Miyazaki and Fuminori Watanabe. These partnerships have led to groundbreaking developments and improvements in steel manufacturing processes, showcasing the importance of teamwork in driving innovation.
Conclusion: Seiji Furusako's contributions to the steel industry through his numerous patents and innovative techniques have significantly impacted the field. As he continues to push the boundaries of steel technology, his work stands as a testament to the power of innovation in advancing manufacturing practices.