Location History:
- Tokyo, JP (1993)
- Kawasaki, JP (2003 - 2004)
- Okayama, JP (2010)
Company Filing History:
4 out of 614 
1 out of 128 
1 out of 1,792 
Years Active: 1993-2010
Title: Takafumi Yamaji: Innovator in Surface-Treated Steel Technology
Introduction
Takafumi Yamaji is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of materials science, particularly in the development of surface-treated steel sheets. With a total of 5 patents to his name, Yamaji's work focuses on enhancing the corrosion resistance and surface appearance of steel products.
Latest Patents
Yamaji's latest patents include innovative methods for manufacturing surface-treated steel sheets. One notable invention is a surface-treated steel sheet that features a plating layer containing metals such as zinc and aluminum. This invention also includes a film on the plating layer, which comprises metals like aluminum, magnesium, and zinc, along with a tetravalent vanadium compound and a phosphoric acid group. This combination results in a steel sheet that exhibits excellent corrosion resistance and surface appearance while avoiding hazardous substances like hexavalent chromium. Another patent describes a surface-treated steel sheet with an Al-Zn-base alloy plating layer and a chemical conversion film, enhancing the durability and performance of the steel.
Career Highlights
Throughout his career, Takafumi Yamaji has worked with notable companies, including NKK Corporation and Nihon Parkerizing Co., Ltd. His experience in these organizations has allowed him to refine his expertise in steel treatment technologies and contribute to advancements in the industry.
Collaborations
Yamaji has collaborated with esteemed colleagues such as Masaaki Yamashita and Akira Matsuzaki. These partnerships have fostered innovation and the sharing of ideas, further enhancing the development of surface-treated steel technologies.
Conclusion
Takafumi Yamaji's contributions to the field of surface-treated steel sheets demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of materials science and a dedication to improving product performance. Through his work, Yamaji continues to influence the industry and pave the way for future advancements in steel technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.