Company Filing History:
Years Active: 2007-2008
Title: Takafumi Amino: Innovator in Iron Nitride Magnetic Powders
Introduction
Takafumi Amino is a notable inventor based in Okayama, Japan. He has made significant contributions to the field of magnetic materials, particularly through his innovative work on iron nitride-based magnetic powders. With a total of 4 patents to his name, Amino's inventions have advanced the understanding and application of magnetic materials in various industries.
Latest Patents
Amino's latest patents include a high-weatherability iron nitride-based magnetic powder and a method for manufacturing this powder. This invention focuses on creating a high-reliability iron nitride-based magnetic powder that exhibits markedly improved weatherability. The powder is designed to maintain its magnetic properties over time, particularly in fine particles smaller than 25 nm. The method involves adhering elements such as silicon (Si) and phosphorus (P) to the surface of the iron nitride-based magnetic powder, which primarily consists of FeN with an average grain size of 25 nm or less. The total content of Si and P in the magnetic powder is specified to be 0.1% or greater as an atomic ratio with respect to iron (Fe).
Another significant patent by Amino involves an iron nitride magnetic powder consisting primarily of the FeN phase, with an average particle diameter of 20 nm or less. This powder is produced through a method that includes treating a reduced powder obtained from iron oxide with ammonia, specifically using goethite containing aluminum in solid solution as the iron oxide source.
Career Highlights
Throughout his career, Takafumi Amino has worked with prominent companies such as Dowa Mining Co., Ltd. and Dowa Electronics Materials Co., Ltd. His experience in these organizations has allowed him to develop and refine his expertise in magnetic materials and their applications.
Collaborations
Amino has collaborated with notable colleagues, including Kenji Masada and Akira Nagatomi. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Takafumi Amino's innovative work in the field of iron nitride magnetic powders has made a significant impact on the industry. His patents reflect a commitment to enhancing the performance and reliability of magnetic materials, paving the way for future advancements in this area.