Location History:
- Chiba, JP (1998 - 1999)
- Nakakoma Gun, JP (2001)
- Sakura, JP (2002)
- Yamanashi, JP (2002)
- Yamanashi Pref., JP (2003)
- Chuo-ku, JP (2004)
- Tokyo, JP (2005 - 2020)
Company Filing History:
13 out of 7,952 
3 out of 2,245 
1 out of 9 Years Active: 1998-2020
Title: Jun Hagiwara: Pioneering Innovations in Rare Earth Magnets
Introduction
Jun Hagiwara, an accomplished inventor based in Tokyo, Japan, is renowned for his significant contributions to the field of rare earth magnets. With a remarkable portfolio of 17 patents, Hagiwara has been instrumental in developing technologies that enhance the efficiency and effectiveness of various applications.
Latest Patents
Hagiwara's latest innovations include two groundbreaking patents focused on rare earth magnets and their applications in motors. The first patent describes a rare earth magnet designed to minimize eddy current loss through a low-cost, simple configuration. This innovative magnet comprises a body made of rare earth elements and iron, along with a resistive layer containing a rare earth element, iron, and oxygen, which significantly increases its average volume resistivity. The second patent expands on this technology by introducing a protective layer for the magnet body. This protective layer consists of multiple layers, including a first layer covering the magnet and a second layer that does not contain rare earth elements, which enhances the longevity and performance of the magnet in various settings.
Career Highlights
Throughout his career, Hagiwara has worked with prestigious companies, including TDK Corporation and Mitsubishi Gas Chemical Company, Inc. His role in these organizations has allowed him to refine his expertise and drive advancements in product development, particularly in electromagnetism and material science.
Collaborations
Hagiwara has collaborated with notable colleagues such as Katsuto Nagano and Masato Susukida, fostering a dynamic environment for innovation. These partnerships have enabled him to explore new ideas and integrate diverse perspectives into his work, leading to significant strides in rare earth magnet technology.
Conclusion
Jun Hagiwara stands out as an influential inventor in the realm of rare earth magnets, reflecting his dedication to advancing technology and improving industrial efficiency. His ongoing contributions, marked by his extensive patent portfolio, continue to shape the future of magnet applications, making him a key figure within the innovation landscape in Japan and beyond.
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.