Company Filing History:
Years Active: 2013
Title: The Innovations of Ryouta Kunieda
Introduction
Ryouta Kunieda is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of rare earth sintered magnets. His innovative work has led to the filing of a patent that showcases his expertise and creativity.
Latest Patents
Kunieda holds a patent for a rare earth sintered magnet. This invention includes a main phase that consists of an RTB phase of crystal grain, where R represents one or more rare earth elements, including Nd. The T phase includes one or more transition metal elements, such as Fe or a combination of Fe and Co, while B represents B or a combination of B and C. The invention also features a grain boundary phase with a higher content of R than the RTB phase. Additionally, it includes a grain boundary triple point surrounded by three or more main phases, which contains an R75 phase with R content ranging from 60 at % to 90 at %, along with Co and Cu. The relational expression 0.05 ≤ (Co + Cu)/R < 0.5 is satisfied, and the area where a Co-rich region overlaps with a Cu-rich region in the grain boundary triple point is 60% or more.
Career Highlights
Ryouta Kunieda is currently employed at TDK Corporation, where he continues to innovate and develop advanced materials. His work at TDK has positioned him as a key player in the field of magnet technology.
Collaborations
One of his notable coworkers is Takuma Hayakawa, with whom he collaborates on various projects related to materials science and engineering.
Conclusion
Ryouta Kunieda's contributions to the field of rare earth sintered magnets exemplify his innovative spirit and dedication to advancing technology. His patent reflects a significant achievement in materials science, showcasing the potential for future developments in this area.