Patents by Inventor Katsunori Aikawa

Katsunori Aikawa 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).

  • Method for producing silicon single crystal
    Patent number: 6110272
    Abstract: A method of loading a crucible, comprises loading at least one polycrystalline silicon rod into the crucible. Lump and/or granular polycrystalline silicon may also be loaded into the crucible. Especially when loaded into the crucible in a close-packed pyramidal configuration, a high loading density is achieved.
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: August 29, 2000
    Assignee: Sumitomo Sitix Corporation
    Inventors: Katsunori Aikawa, Kuniharu Inoue