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Commemorative lecture by Masato Sagawa, the inventor of neodymium magnets

Neodymium magnet inventor Masato Sagawa

The 5st General Assembly of the Japan Magnetic Friendship Society was held in Ginza on May 19th.The Japan Magnetic Friendship Association is a Japanese magnet industry group consisting of 21 major magnet manufacturing and sales companies, and was established in 10 with the aim of developing magnets.I used to serve as chairman, but now President Tsunashima of Himeji Electronics is serving as chairman.

This year, we invited Masato Sagawa, who is known as the inventor of neodymium magnets, to give a commemorative lecture as a commemorative general meeting for the 10th anniversary of our founding.

Mr. Sagawa is a leading researcher in magnet research who has been named as a candidate for the Nobel Prize several times, and is a person who has greatly contributed to the development of magnets.He is currently an advisor to Daido Steel.

In the lecture, he talked about the difficulties during the development of neodymium magnets and when temporary production became unstable due to the supply of rare earths, and the talk that he is still working on improvement in neodymium magnet research day and night. It was stated that the number of magnets would increase.

Has contributed to the miniaturization of products with a strong magnetic fieldNeodymium magnetHowever, it is inexpensive, can be stably supplied, and is resistant to high temperatures.Ferrite magnetHas also been reviewed and I have great expectations.

In any case, it was a general meeting where we could confirm the bright future of magnets even when the era of robots came.

Neodymium magnet

Ferrite magnet