Company Filing History:
2 out of 306 
2 out of 13,408 
Years Active: 1996-1998
Title: Yoji Namekawa: Innovator in Aluminum Alloy Technology
Introduction
Yoji Namekawa is a prominent inventor based in Tokyo, Japan, known for his contributions to the field of aluminum alloy technology. With a total of 2 patents, he has made significant advancements that enhance the performance and machinability of aluminum alloys.
Latest Patents
One of his latest patents is focused on a wear-resistant cast aluminum alloy process. This innovation aims to provide wear resistance comparable to conventional A390 series aluminum alloys while reducing wear on sliding counterparts and improving machinability. The alloy comprises a specific chemical composition, including 14.0-16.0% Si, 2.0-5.0% Cu, and other elements, with a microstructure that features dispersed primary Si crystals and intermetallic compounds. Another notable patent involves an aluminum alloy for forging, which includes a carefully balanced composition of Si, Mg, Ti, and other elements, ensuring optimal performance in casting applications.
Career Highlights
Throughout his career, Yoji Namekawa has worked with notable companies such as Nippon Light Metal Company, Ltd. and Nissan Motor Company Limited. His experience in these organizations has allowed him to refine his expertise in aluminum alloys and contribute to various innovative projects.
Collaborations
Yoji has collaborated with esteemed colleagues, including Akio Hashimoto and Sanji Kitaoka, further enhancing his work in the field of aluminum technology.
Conclusion
Yoji Namekawa's contributions to aluminum alloy technology through his patents and collaborations highlight his role as an influential inventor in the industry. His work continues to impact the development of advanced materials, showcasing the importance of innovation in engineering.