Company Filing History:
Years Active: 2022-2023
Title: The Innovations of Hiroshi Doto
Introduction
Hiroshi Doto, an accomplished inventor based in Tokyo, Japan, is renowned for his contributions to the field of permanent magnets. With a total of two patents to his name, Doto's work focuses primarily on enhancing the efficiency and performance of R-T-B based permanent magnets, which are critical components in various technological applications.
Latest Patents
Doto's latest patents consist of innovative R-T-B based permanent magnets, where R represents rare earth elements, T is comprised of iron (Fe) and cobalt (Co), and B stands for boron.
The first patented invention outlines an R-T-B based permanent magnet with the following specifications: R includes dysprosium (Dy) as a rare earth element, M consists of copper (Cu) along with other selective elements such as gallium (Ga), aluminum (Al), and zirconium (Zr). The total content of R ranges from 28.0 mass % to 30.2 mass %, with Dy content varying between 1.0 mass % and 6.5 mass %, Cu content between 0.04 mass % and 0.50 mass %, Co content ranging from 0.5 mass % to 3.0 mass %, and B content between 0.85 mass % and 0.95 mass %.
In his second patent, Doto's focus remains on the R-T-B based permanent magnet, but this time R includes both Dy and terbium (Tb). Here, M continues to feature Cu as one of its core elements, with a total content of R varying from 28.05 mass % to 30.60 mass %. The contents of Dy, Cu, Co, and B are similar to those in his first patent. Additionally, this invention highlights a unique concentration distribution of Tb that decreases from the outer side towards the inner side of the magnet structure.
Career Highlights
Hiroshi Doto currently works at TDK Corporation, a pioneering company recognized for its commitment to advancing technology through innovative products and solutions in the electronic and electrical sectors. His career at TDK has seen significant advancements in the production and functionality of permanent magnets, positioning him as a key figure in the progression of magnet technology.
Collaborations
Throughout his career, Doto has collaborated with esteemed colleagues such as Kiyoyuki Masuzawa and Makoto Nakane. These partnerships have fostered a dynamic environment of creativity and innovation, leading to the successful development of groundbreaking technologies in the field of permanent magnets.
Conclusion
In conclusion, Hiroshi Doto stands out as a prominent inventor in the technology sector, particularly in the realm of permanent magnets. His patents serve as a testament to his ingenuity and dedication to creating more efficient and effective magnetic materials. Through his work at TDK Corporation and collaboration with fellow inventors, Doto continues to contribute significantly to advancements in magnet technology, shaping the future of various technological applications.