Patents by Inventor Tin Y. Liu

Tin Y. Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for preparing rare earth-iron-boron alloy powders
    Patent number: 5064465
    Abstract: A process for preparing by a reduction/diffusion method rare earth-iron-boron alloy powders useful in permanent magnets. The process generates rare earth-iron-boron alloy powders having large and uniform particle sizes with minimal contamination. The process entails the use of a seed alloy among the starting materials, the seed alloy having substantially the same composition as the rare earth-iron-boron alloy to be prepared.
    Type: Grant
    Filed: November 29, 1990
    Date of Patent: November 12, 1991
    Assignee: Industrial Technology Research Institute
    Inventors: Chi J. Chen, Cheng H. Lin, Tin Y. Liu, Ying C. Hung