Location History:
- Amagasaki, JP (2000 - 2001)
- Hyogo, JP (2002)
- Kobe, JP (2005 - 2010)
- Osaka, JP (2012)
- Tokyo, JP (2017)
Company Filing History:
9 out of 929 
3 out of 1,101 
1 out of 832,891 Years Active: 2000-2017
Title: **Masahiko Hamada: An Innovator in Steel Technology**
Introduction
Masahiko Hamada is a notable inventor based in Kobe, Japan, recognized for his significant contributions to the field of metallurgy and steel manufacturing. With a portfolio of 10 patents, Hamada has advanced the development of high-tensile steel products and methods, showcasing his innovative spirit and technical expertise.
Latest Patents
Among his most recent inventions are a high-tensile steel plate and a method for manufacturing welded steel pipes. The high-tensile steel plate features a carbon equivalent Pcm between 0.180% to 0.220%, ensuring a yield strength of at least 551 MPa and a tensile strength of at least 620 MPa. In addition, this steel plate possesses high toughness, excellent propagating shear fracture resistance, and superior weldability. Hamada’s method of manufacturing a bent pipe corresponds to the API X100 grade, emphasizing both strength and toughness, achieved by utilizing specific cooling rates during the steel production process.
Career Highlights
Hamada has made significant strides in the industry by working with renowned companies, including Sumitomo Metal Industries, Inc. His experience at such respected organizations has played a crucial role in his research and development efforts, allowing him to bring innovative solutions to market.
Collaborations
Throughout his career, Hamada has collaborated with notable colleagues, such as Yu-ichi Komizo and Shuji Okaguchi. These partnerships have enabled him to leverage diverse expertise and insights, further enhancing the quality and impact of his inventions.
Conclusion
Masahiko Hamada's dedication to innovation in steel technology is evident in his patents and collaborations. His work not only exemplifies the spirit of invention but also significantly advances the manufacturing capabilities of high-tensile steel products. As he continues to contribute to the field, his legacy will undoubtedly inspire future generations of engineers and inventors.