Chinese rare earths-based magnets producers challenge expiring Hitachi patent

By Antonio Torrisi
Published: Wednesday, 06 August 2014

The patent for magnets production belonging to the Japanese producer expired in July, meaning that Chinese manufacturers are able to freely export their products to the US and to force legal action if Hitachi forbids them from trading.

A Chinese rare-earths magnet industrial alliance announced that it will challenge Japanese magnet producer Hitachi Metals Ltd’s monopoly on neodymium-iron-boron (NdFeB) magnets in the US market. The alliance, consisting of seven Chinese magnet producers and led by Shenyang General Magnetic Co., said that it will freely export NdFeB magnets...

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